lpkpm spm 2011 chemistry paper 1, 2, 3
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LEMBAGA
PEPERIKSAAN
KEMENTERIAN PELAJARAN MALAYSIA
totafaysio
454u1
IJIL
PELAJARAN
MALAYSIA
2OII
CHEMISTRY
Kertas
1
Nov /Dis
l
I;
Jam
Satu
jam
lima
belas
minit
JANGAN
BUKA
KERTAS SOALAN
INI
SEHINGGA
DIBERITAHU
1 Kertas
soalan
ini adalah dalam
dwibahasa
2
Soalan dalam bahasa
Ing
geris
mendahului
soalan
yang
sepadan dalam
bcthasa
Melayu
3
Calon
dikehendaki
membaca
maklumat
di halaman belakang kertas
soalan
ini
Kertas
soalan
ini
mengandungi
35
halaman bercetak
dan
t
halaman
tidak bercetak
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2
454III
I
Which
of
the following
is
correct
about
weak
alkaline
solution?
Antara yang
berikut
yang
manakah
betul
tentang
larutan
alkali
lemah?
A
Have
pH
value
of 13
Mempunyai
nilai
pH
13
B
Partially
ionised
in
water
Mengion
separa
dalam
air
C Concentration
of the
solution
is low
Kepekatan
larutan
adalah
rendah
D
Solution
does
not
react
with
acid
Larutan
tidak
bertindak
balas
dengan
asid
2
Which compound is
a saturated
hydrocarbon?
Sebatian manakah adalah
suatu hidrokarbon
tepu?
A
Propene
Propena
B
Propane
Propana
C
Propanol
Propanol
D
Chloropropane
Kloropropana
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4s411
3
Which
alloy is
correctly
matched
to its
uses?
Aloi
manakah
yang
dipadankan
betul
dengan
kegunaannya?
Alloy
Aloi
Uses
Kegunaan
Brass
Loyang
Building
of monument
Pembinaan
tugu
Bronze
Gangsa
Making
of
surgical
instrument
P
embuatan
alat
an
p
emb
e
dahan
Stainless
steel
Keluli
nirkarat
Making
of medals
Pembuatan
pingat
Duralumin
Duralumin
Making
of
the
body
of
aeroplanes
Pembuatan
badan
kapal
terbang
4
Polymer glass
alloy and
composite
material
are
some
examples
of manufactured
substances
in industry.
Which
statement is
correct
about
these
substances?
Polimer
kaca
aloi
dan
bahan
komposit
adalah
beberapa
contoh
bahan
buatan
dalam
industri.
Pernyataan
manakah
yang
betul
mengenai
bahan-bahan
ini?
A A
polymer
is
a
large
molecule
formed
by
joining
many
monomers
Polimer ialah
suatu
molekul
besar
yang
dibentuk
dengan
mencantumkan
banyak
monomer
B
Soda
lime
glass
is
able
to withstand
very high
temperature
Kaca
soda
kapur boleh
tahan
suhu
yang
sangat
tinggi
C
An
alloy
is
a
mixture
of
two or
more
non-metals
in
a
fixed
composition
Aloi
ialah suatu
campuran bagi
dua
atau lebih
bukan
logam
dalam
komposisi
yang
tetap
D
A
composite
material is
a
substance
which
has
low
melting
point
Bahan
komposit
ialah suatu bahan
yang
mempunyai
takat
lebur
yang
rendah
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B
C
D
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5 Which
process
occurs when
iodine
crystals
are
heated
at
room
temperature
and
pressure?
Proses
manakah
yang
berlaku
apabila hablur
iodin dipanaskan
pada
suhu
dan
tekanan
bilik?
A Melting
P
eleburan
B
Freezing
Pembekuan
C Evaporation
Penyejatan
D
Sublimation
Pemej
alwapan
1
6 The average
mass
of a magnesium
atom
rs24
times
greater
than
n
of
the mass
of
a
carbon
12
atom.
What is
the
relative
atomic
mass
of
magnesium?
1
Purata
iisim
satu
atom
magnesium
adalah
24
kali lebih
besar
daripada
U
jisim
satu atom karbon |2.
Apakah
jisim
atom
relatif bagi
magnesium?
A2
Bt2
c24
D48
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454U1
to
determine
the
empirical
formula
of
iagram
1
shows
the
apparatus
set-up
copper II)
oxide.
Raiah
I
menuniukkan
susltnan radas
bogi
menentukan
formula
empirik
b
a
g
i
kup rum Il)
oks
ida.
Copper Il)
oxide
Kuprum Il)
oksida
Combustion
tube
Tiub
pembakaran
Drv
hvdrogen
sas
-
Porcelain
dish
Piring
porselin
Diagram
1
Rajah I
The
dry
hydrogen
gas
must
be
flowed through
the apparatus
for several
minutes
before
heating the copper Il)
oxide.
What
is
the
reason
for
this
action
to
be taken?
Gas
hidrogen
kering
mesti
dialirkan
melalui radas
untuk
beberapa
minit
sebelum
p e
manas
an
kup
rum Il)
oks
ida.
Apakah
sebctb
tindakan
ini
diambil?
A To
ensure all
the copper Il)
oxide
has
changed
into
copper
Untuk
memastikan
semua kuprum Il)
oksida telah
bertukar
kepada kuprum
B To
ensure all
air
has
been
removed
so
that explosion
can be
prevented
Untuk
memastikan semua udara
dikeluarkan
supaya letupan
dapat
dielakkan
C
To
prevent
copper
from reacting
with
air to form
copper Il)
oxide
Untuk mengelakkan
kuprum
daripada
bertindak
balas
dengan
udara
bagi
memb
entuk
kuprum Il)
oksida
D
To
prevent
the water from
flowing
towards
the
hot
porcelain
dish
and cracks
the combustion
tube
Untuk mengelakkan air
daripada
mengalir ke
nrah
piring porselin
yang panas
dan
meretakkan tiub pembakaran
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I
Heat
Panaskan
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45411I
8
Which elements
dissolve
in
water
to
produce
solution
that turns blue
litmus
paper
to
red
and then
decolourised?
Unsur
manakah
yang
larut
dalam air untuk
menghasilkan
larutan
yang
menukarkan
kertas litmus biru
ke
merah dan
kemudian
dinyahwarnakan?
I
Chlorine
Klorin
tr
Bromine
Bromin
ru Iodine
Iodin
IV
Astatine
Astatin
A IandII
I
dan
II
B
I
and
III
I dan III
C
II
and
IV
lI dan
IY
D III
and
IV
III
dan IY
9
Which
of
the
following
factor
does
not
affect
the
electrolysis of
an aqueous
solution?
Antara
faktor
berikut
yang
manakah
tidak mempengaruhi
elektrolisis
larutan
akueus?
A
Concentration
of
ions in the
electrolytes
Kepekatan ion-ion dalam
elektrolit
B
Types
of
electrodes
used
in
the
electrolysis
Jenis
elektrod
yang
digunakan
dalam elektrolisis
C
Position
of
ions in
the
electrochemical
series
Kedudukan
ion-ion
dalam siri elektrokimia
D
Volume
of
electrolytes
used
in
the
electrolysis
Isi
padu
elektrolit
yang
digunakan
dalam
elektrolisis
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10
Diagram 2 shows
a voltaic
cell.
Rajah
2
menunjukkan
suatu
sel volta.
Zinc
plate
Plat
zink
Zinc
nitrate
solution
Larutan zink
nitrat
The function
of the
porous pot
is to
Fungsi
pasu
berliang adalah
untuk
A
ions
ion ion
B
atoms
atom atom
C
protons
proton proton
D
electrons
elektron elektron
4541t1
Silver
plate
Plat
argentum
Porous pot
Pasu
berliang
Silver
nitrate
solution
Larutan ar
g
entum
nitrat
Dragram2
Rajah
2
allow
the
flow
of
me
mb e narkan
p
e
n
g
aliran
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454III
11 Digital
communication
plays
a very important
role in
modern
living.
Effective
transmission
of data voices
and images
in
a digital
format
requires
a suitable
material.
What
is
the
material?
Komunikasi
digital
memainkan peranan
yang
sangat
penting
dalam
kehidupan
moden. Penghantaran
data suara
dan imej
secara
berkesan
dalam
format
digital
memerlukan
satu
bahan
yang
sesuai.
Apakah
bahan
itu?
A
Copper
Kuprum
B
Aluminium
Aluminium
C
Fibre
optic
Gentian optik
D
Superconductor
Superkonduktor
12
Which statements
are
correct
about
soap and detergent?
Pernyataan
manakah
yang
betul
tentang
sabun
dan detergen?
Soap
Sabun
Detergent
Detergen
Contains
acid
Mengandungi
asid
Contains
alkali
Mengandungi
alkali
Effective in
hard
water
Berkesan
dalam air
liat
Less effective
in
hard
water
Kurang berkesan
dalam air
liat
Made from vegetable
oil
Diperbuat
daripada
minyak
sayuran
Made from
petroleum
Dipe
rbuat
daripada
petroleum
Does
not
form
scum
in hard
water
Tidak membentuk kekat dalam
air
liat
Forms
scum
in hard
water
Membentuk kekat dalam
air
liat
A
B
C
D
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414ttl
13
Which
chemical
equation
represents
the reaction
between
sodium
metal
and
oxygen
gas?
Persamaan
kimia
manakah yang
mewakili
tindak
balas
antara
logam
natrium
dan
gas
oksigen?
A
Na
+
O,
->
NaO,
B
Na +
O,
---+NarO
C
2Na or Naro
D
4Na
+
Or----->
2NarO
14
What
is the correct
functional
group
for
the following
homologous
series?
Apakah
kumpulan
berfungsi
yang
betul
bagi
siri
homolog
berikut?
Homologous
series
Siri
homolog
Functional group
Kumpulan
berfungsi
Ester
Ester
o
il
-c-o-
Alkane
Alkana
tl
-
C-C
Alcohol
Alkohol
o
lt
-C-OH
Carboxylic acid
Asid karboksilik
-oH
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B
C
D
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10
15
Cold
packs
contain chemicals that
react
to
absorb
heat.
Which substance is
used
in
cold
packs?
Pek
sejuk
mengandungi bahan
kimia
yang
bertindak
balas untuk
menyerap
haba.
Bahan manakah
yang
digunakan dalam
pek
sejuk?
A
Calcium chloride
Kalsium
klorida
B
Sodium
carbonate
Natrium karbonat
C
Magnesium
sulphate
Magnesium
sulfat
D
Ammoniumniffate
Ammonium
nitrat
16 Which
pair
is correctly matched?
Pasangan manakah
yang
dipadankan
dengan betul?
Food
additive
Bahan
tambah
makanan
Example
Contoh
Preservative
Pengawet
Ascorbic acid
Asid askorbik
Flavouring
Perisa
Tartrazine
Tartraz.ina
Antioxidant
Pengantioksida
Aspartame
Aspartam
Thickener
P emekat
Acacia
gum
Gam
akasia
454 ./.,11
A
B
C
D
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4S4L L
17
Which characteristic
of
hydrogen
chloride
enables
it
to show
acidic
properties
in water?
Ciri
hidrogen
klorida
yang
manakah
membolehkannya
menunjukkan
sifat
keasidan
dalam
air?
A
Dissolves
in
water
Larut
dalam
air
B
Contains
hydrogen
in
its
molecule
Mengandungi
hidrogen
dalam
molekulnya
C
Contains
chlorine
in
its
molecule
M engandungi
klorin
dalam
molekulnya
D
Ionises
in water
to form
hydrogen
ions
Mengion
dalam
air
untuk
membentuk
ion-ion
hidrogen
18
Which
substance
forms yellow
precipitate
when
added
to
lead(Il)
nitrate
solution?
Bahan
manakah
yang
membentuk mendakan
kuning
apabila
ditambahkan
kepada
I arut
an
plumb
um(II)
nit
rat?
A
Sodium
chloride
Natrium
klorida
B
Sodium
carbonate
Natrium
karbonat
C Potassium
iodide
Kalium
iodida
D
Potassium
sulphate
Kalium
sulfat
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12
19
Which
statement is
correct about
exothermic reaction?
454u1
Pernyataan
manakah
yang
betul
mengenai
tindak
balas
eksotermik?
A
The heat absorbed
during bond
breaking
is
more
than
the
heat released
during
bond formation
Haba yang
diserap
semasa pemecahan
ikatan
adalah
lebih daripada
haba
yang
dibebaskan
semasa
pembentukan ikatan
B The
heat
absorbed during
bond breaking
is
less
than the heat
released
during
bond
formation
Haba
yang
diserap
semasa
pemecahan
ikatan adalah
kurang daripada
haba
yang
dibebaskan
semasa
pembentukan
ikatan
C
The
heat absorbed during bond
breaking
is
equal
to the
heat released during
bond
formation
Haba
yang
diserap
semasa pemecahan
ikatan
adalah
sama
dengan haba
yang
dibebaskan semasa pembentukan
ikatan
D
No
heat
is
absorbed
or
released
during bond breaking
and
bond formation
Tiada
haba diserap
atau dibebaskan
semasa
pemecahan
ikatan
dan
pembentukan
ikatan
20
Diagram 3
is a
graph
of temperature-time
for
the heating
of
substance
Q.
Rajah
3 adalah
graf
suhu-masa
bagi pemanasan
bahan
Q.
Temperature
( C
Suhu
('C)
75
tl tz
Diagram
3
Rajah
3
Time
(s)
Masa
(s)
Which statement is correct
about
the
property
of
substance
Q
based on
Pernyataan
manakah
yang
betul
mengenai
sifat bahan
Q
berdasarkan
A
Is
a
gas
at
room
temperature
Adalah
gas
pada
suhu
bilik
B
Experiences
physical
changes
at temperature
7
5 C
Mengalami
perubahan
keadaan
fizik
pada
suhu
75 C
C
Releases
heat at
time
interval
t,
and
t,
Membebaskan haba
pada
sela
masa t, dan t,
D
Only
in
liquid condition at time
interval t,
and
t,
Berada dalam
keadaan
cecair
sahaja
pada
sela
masa
trdan
t,
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13
21 Diagram
4
shows
two
types
of
gases
filled
in
two
balloons.
Raiah
4
menunjukkan
dua
jenis
gas
yang
diisi ke
dalam
dua biji
belon.
32
gofoxygen
gas
32
g gas
oksigen
454u1
2
g
ofhydrogen
gas
2
g gas
hidrogen
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Diagram
Rajah 4
Which
statement
is
correct about
the
number
of
particles
in
oxygen
gas?
[Relative
atomic
mass
: H
=
1
O
=
161
Pernyataan
manakah
yang betul tentang
bilangan
zarah dalam
gas oksigen?
[Jisim
atom relatif : H
=
1
O
=
16]
A
Same as
in hydrogen gas
Sama
seperti dalam
gas
hidrogen
B
More than in hydrogen gas
Lebih
banyak
daripada
dalam
gas
hidrogen
C Two times more
than in hydrogen
gas
Dua
kali lebih
banyak
daripada
dalam
gas
hidrogen
D
16
times
more
than
in hydrogen
gas
16
kali lebih
banyak
daripada dalam
gas
hidrogen
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14
22
Diagram 5
shows the
electrons
arrangement
in
compound
Rajah
5 menunjukkan
susunan
elektron dalam
sebatian
zzY
zrY
454U1
Which
elements
[Proton
number
Unsur
manakah
lNombor proton
Diagram
5
Rajah 5
are represented
by Y
and Z?
:
H
=
1,
C
=
6, O
-
8, Cl
=
17)
yang
diwakili oleh Y
dan Z?
:H=l,C=6,0-8,CI =l7l
Y
Z
Carbon
Karbon
Oxygen
Oksigen
Oxygen
Oksigen
Hydrogen
Hidrogen
Hydrogen
Hidrogen
Chlorine
Klorin
Carbon
Karbon
Chlorine
Klorin
23
Which substance conducts electric
current in aqueous
state?
Bahan manakah yang
mengkonduksikan
arus
elektrik
dalam
keadaan akueus?
A Silver
chloride
Argentum klorida
B Sodium chloride
Natrium klorida
C
Calcium
sulphate
Kalsium sulfat
D Barium sulphate
Barium sulfat
A
B
C
D
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24
The
following
chemical
equation
represents
the
reaction
between
calcium
carbonate,
CaCO, and
hydrochloric
acid, HCl.
CaCOr s)
+
2Hcl aq)
--+
CaCtr ag)
+
CO2 e)
+
HrO l)
which
changes
can be
used
to determine
the
rate
of reaction?
Persamaan
kimia
berikut
mewakili
tindak
balas antara
kalsium
karbonat,
CaCO,
dan as
id hidroklo
rik,
HCl.
CaCOr p;
+
2HCl ak)
--+
CaClr ak;
+
COr g)
+
HrO ce)
Perubahan
manakah
boleh
digunakan
untuk
menentukan
kadar
tindak
balas?
I
Mass
of
calcium carbonate per
unit time
Jisim kalsium
karbonat
per
unit
masa
tr
Volume
of
carbon
dioxide
released per
unit
time
Isi padu
karbon
dioksida dibebaskan per
unit
masa
m
Colour
of
the
solution
per
unit
time
Warna
larutan
per
unit
masa
rV
Mass
of
precipitate
produced
per
unit time
Jisim
mendakan
terhasil
per
unit
masa
A IandII
I
dan II
B
I
and
III
I
dan III
C
II
and
IV
II
dan
IY
D III
and
IV
III
dan IY
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25
Diagram 6 shows the
electrons arrangement
of the
Q-
ion.
Rajah
6
menunjukkan susunan
elektron
bagi ion
Q-
.
Diagram
6
Rajah
6
What is the number
of
valence
electrons
of
a
Q
atom?
Berapakah
bilangan
elektron valens
bagi
satu
atom
Q?
A]
B8
C9
D10
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26
Diagram
7 shows
the
electrons
arrangements
of
atoms
X and
y
X
and
Y are
not
the
actual
symbols
of the
elements
Rajah
7
menunjukkan
susunan
elektron
bagi
atom
X
dan
atom
y
x
danY
bukan
simbol
sebenar
bagi
unsur
tersebut
Diagram
7
Rajah
7
which
pair
of formula
and
the
type of
compound
is
correct?
Pasangan
formula
dan
jenis
sebatian
manakah
yang
betul?
Y
A
B
C
D
Formula
Formula
TYpe
of
compound
Jenis sebatian
xY4
loruc
ionik
xY4
covalent
kovalen
X4Y
lonrc
ionik
X4Y
covalent
kovalen
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27
The
following
information
Maklumat
berikut
adalah
18
is
about
atom
Q
mengenai
atom
shows
the
electrons
yang
menunjukkan
and
atom
P.
Q
dan
atom
P.
arrangement
of
atom
Q?
susunan
elektron
bagi atom
Q?
454u1
.
Atom
Q
is
located
in
Peri
od
2
of the
Periodic
Table
Atom
Q
terletak
dalam
Kala
2
dalam
Jadual Berkala
.
The
electron
arrangement
of
atom P
is
2.8.1
Susunan
elektron
bagi atom P
ialah
2.8.1
Element
Q
is
located
above
element
P in the same group
of
the
Periodic
Table
Unsur
Q
terletak
di
atas
unsur
P
dalam
kumpulan yang
sama
dalam
Jadual Berkala
Which
diagram
Rajah
manakah
B
D
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454ut
28
Table 1 shows
three
atoms
of
the
elements
and
their electron
arrangement
respectively.
The
letters used
are
not
the
actual
symbol
of
the
elements.
ladual I
menunjukkan
tiga
atom
bagi
unsltr
dan
susunan
elektron
masing-masing.
Huruf
yang
digunakan
bukan simbol sebenar
bagi unsur itu.
Atom
of the element
Atom unsur
Electron arrangement
Susunan
elektron
P
2.8.t
a
2.8.4
R
2.8.7
Table
1
Jadual L
Which
of
the
following is
correct
about the three elements according
to
the
sequence
P
Q
and
R?
Antara
yang
berikut
yang
manakah
betul tentang
ketiga-tiga
unsur
itu
mengikut
urutan
P
Q
dan
R?
A Atomic
radius
decreases
Jejari
atom berkurang
B
Melting
point
increases
Takat
lebur
bertambah
C
Metallic
properties
increases
S tfat
kelo
gaman b
e
rtambah
D
Electronegativity
decreases
Ke
e I e kt
r
one
g
at ifan
b
e
rkuran
g
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454lll
29 When
a
few
drops of
copper Il)
sulphate
solution
is
added
to a mixture
of
zinc
powder
and
dilute
sulphuric
acid,
the
rate
of
reaction
increases.
Which
statement
best explains
why
the
rate
of
reaction
increases?
Apabila
beberapa
titik larutan
kuprum Il)
sulfat
ditambah
kepada campuran
serbuk
zink
dan
asid
sul.furik
cair,
kadar
tindak
balas
meningkat.
P
ernyataan
manakah yang
terbaik
menj
elaskan
mengapa
kadar
tindak
balas
meningkat?
A
Lowers the
activation
energy
M e rendahkan
t ena
g
a
p
eng
aktifan
B Increases
the
collision
frequency
M e
nin
gkatkan
frekuens
i
p
e
rlan
I
I
aran
C
Increases the concentration
of
sulphate
ion in the
mixture
Meningkatkan
kepekatan
ion
sulfat
dalam
campuran
D
Makes the
orientation
of
collision
between the reacting
particles
favourable
Menjadikan
orientasi
perlanggaran
antara
zarah
bahan
tindak
balas
lebih
sesuai
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454Ur
30 Table
2
shows the
proton
number
and
the nucleon
number
of
atoms of elements
X
and Y.
X
and
Y
are not
the
actual
symbols
of
the
elements.
Jadual 2
menunjukkan
nombor
proton
dan
nombor nukleon
bagi
atom-atom
unsur
X dan unsur
Y.
X
danY
bukan simbol
sebenar unsur-btnsur
itu.
Element
Unsur
Proton number
Nombor
proton
Nucleon
number
Nombor nukleon
x 13
27
Y
8
t6
Table2
Jadual
2
Element
X
reacts
with
element
Y
to
form
a
compound.
What
is the
molar
mass
of
the
compound?
Unsur
X bertindak
balas dengan unsur Y untuk
membentuk suatu sebatian.
Berapakah
jisim
molar
bagi
sebatian
itu?
A
43
e
mol-r
B
50
g
mol-t
C
IOZ
g mol-r
D 113
g
mol-r
31
Substance R has
a melting
point
of
-100
oC
and a boiling
point
of
-35
C.
What
is
substance
R?
Bahan R
mempunyai
takat lebur
-100
C
dan takat didih
-35
'C.
Apakah bahan
R?
A
Sulphur
Sulfur
B
Alcohol
Alkohol
C Carbon dioxide
Karbon
dioksida
D Sodium
hydroxide
Natrium
hidroksida
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32
Diagram
8 shows
a
simple
chemical
cell
built
using
Iron
nail
Paku
besi
454111
a
lime.
Two
different
metals
are
used
as
electrodes.
Rajah
8
menunjukkan
sel
kimia
ringkas
yang dibina
menggunakan
buah
limau.
Dua
logam
berlainan
digunakan
sebagai elektrod.
Zincfoll
Kepingan
zink
Lime
Buah
limau
Diagram
8
Rajah
B
Which
of
the following
metal
can
be used
to
replace
the iron
nail
to obtain
the highest
voltage
reading?
Antara
logam
berikut
yang
manakah
boteh
menggantikan
paku
besi
itu
untuk
mendapat
bacaan
voltan
yang
paling tinggi?
A Tin
Stanum
B Lead
Plumbum
C
Silver
Argentum
D Copper
Kuprum
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4541n
37
Diagram
9
shows
a structure
formula
which
represents
a
food
flavouring
substance.
Raiah
9
menunjukkanformula
struktur
yang
mewakili
satu
bahan perisa
makanan.
HHH
ttt
C-C_C-H
III
HHH
HH
II
C-
C_
lt
HH
o
II
o-c
-
_
Diagram
9
Rajah
9
Which
of
the
following
can
be
used
to
make
the flavouring?
Antara
yang
berikut
yong
manakah
boleh digunakan
untuk
membuat perisa
itu?
A
Propanol and
propanoic
acid
Propanol
dan asid
propanoik
B
Butanol
and
ethanoic
acid
Butanol
dan
asid
etanoik
C Etanol and
butanoic acid
Etanol
dan
asid butanoik
D Propil
propanoat
and
etanol
Propil
propanoat
dan
etanol
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38
Diagram
10
shows
the
aPParatus
Rajah
LO
menuniukkan
susunan
26
set-up
to
purifY
silver.
radas
untuk
menulenkan
argentum.
454ur
Impure
silver
Argentum
tak
tulen
Pure
silver
Argentum
tulen
Copper(Il)
chloride
solution
L
aru
t
an
ku
p
ru m(ll)
kl
o
r
i
d
a
Diagram
10
Raiah
lO
After
one
hour,
it
is
found
that
the
silver
is
not
purified
What
should
be done
to
ensure
purification
takes
place?
Selepas
satu
ja*,,
didapati
argentum
tidak
ditulenkan.
Apakah
yang
perlu
dilakukan
untuk
memastikan
penulenan
berlaku?
A
Use
a bigger
Pure
silver
Gunakan
argentum
tulen
yang lebih
besar
B
Interchange
the
terminals
in the
cell
Saling
tukar
terminal
Pada
sel
C
Increase
the
concentration
of
copper(Il)
chloride
solution
Tambah
kepekatan
larutan
kuprum(II)
klorida
D
Use
silver
nitrate
solution
as the
electrolyte
Gunakan
larutan
argentum
nitrat
sebagai
elektrolit
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4s4u1
39
Table
4
shows
the total volume
of oxygen
gas,
0r,
collected
in
the
decomposition
reaction
of
hydrogen peroxide,
HrOr.
Jadual
4
menunjukkan
jumlah
isi
padu
gas
oksigh, Or,
yang
dikumpul dalam tindak
balas
penguraian
hidro
gen peroksida,,
HrO
r.
Time(s)
Masa(s)
0
30 60 90
120
150
180
210 240
Volume
of
Or(cm3)
Isi padu
Or(cm3)
0.00
18.00 27.s0
3s.00
41
.50
46.s0
50.00 50.00
50.00
Table
4
Jadual
4
What is the
overall average
rate
of reaction?
Berapakah kadar tindak
balas
purata
keseluruhan?
A
0.152
cm3
s-l
B
0.208
cm3
s-l
C 0 278
cm3
s-r
D
0.310
cm3
s-l
40
The
following
equation
shows the displacement
of metal
Y
from
its salt solution.
Persamaan
berikut menunjukkan
penyesaran logamY daripada larutan
garamnya.
X+Y(NO:)z+
X(NO3)2+Y
What
are
metal
X
and
metal
Y?
Apakah logam X dan
logam Y?
X
Y
Znc
Zink
Magnesium
Magnesium
Znc
Zink
Iron
Ferum
Copper
Kuprum
Magnesium
Magnesium
Copper
Kuprum
Iron
Ferum
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A
B
C
D
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41
When
excess
ztnc
powder
is
added to 25 cm3
of
0.2 mol
dm-3 copper(Il)
sulphate
solution,
the
temperature increases from
30'C
to
40
C.
What
is
the heat
of displacement of copper?
[Specific
heat
capacity of
the
solution
-
4.2
J
g-t
oc-l;
Density
of
solution
=
1
g
cm-3]
Apabila
serbuk
zink
berlebihan
ditambah kepada 25 cm3 larutan
kuprum(Il) sulfat
0.2
mol
dm-t,
suhu
meningkat
daripada
30
C kepada
40 C.
Berapakah
haba
penyesaran
bagi
kuprum?
lMuatan
haba tentu
larutan
-
4.2
J
g-t
oc-l
;
Ketumpatan
larutan
-
1
g
*-3]
A
-zlkt
mol-l
B
-42kJ
mol-l
C
-2I0kJ
mol-r
D
-42OkJ
mol-r
42
A
rubber
tapper
finds
that
latex
coagulates
after several
hours.
What
substance
should be added
into
the latex to
prevent
it from
coagulating?
Seorang
penoreh getah
mendapati
susu getah
menggumpal
selepas
beberapa
jam.
Apakah
bahan
yang perlu
ditambah
ke
dalam
susu
getah
untuk
mengelakkannya
daripada
menggumpal?
A
Sodium
chloride
solution
Larutan
natrium klorida
B
Ammonia
solution
Larutan
ammonia
C
Ethanoic acid
Asid etanoik
D Nitric acid
Asid
nitrik
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454u1
43
Which
acid
contains
the highest
number
of hydrogen
ions?
Asid
manakah yang
mengandungi bilangan
ion hidrogen
yang
paling
tinggi?
A 25 cm3
of
1 mol
dm-3
nitric
acid
25 cm3
asid
nitrik
1
mol dm-3
B
25
cm3
of
1
mol
dm-3
ethanoic
acid
25 cm3
asid etanoik
1
mol dm-3
C 25
cm3
of
I mol dm-3
sulphuric
acid
25
cm3
asid
sulfurik 1
mol
dm-3
D
25
cm3
of
1
mol
dm-3 hydrochloric
acid
25
cm3
asid hidroklorik
I mol
dm-3
44
Diagram 1 1
shows the
structural formula
of
a
compound.
Rajah ll menunjukkanformula
struktur
bagi
suatu
sebatian.
H
I
H-
C-H
I
H\l
H/
l
-l
Diagram
1l
Rajah
ll
What
is
the
name
of the compound?
Apakah
nama
sebatian itu?
A
2-ethylbut-
1-ene
2-etilbut-l-ena
B 2-ethylbut-4-ene
2-etilbut-4-ena
C
3-methylpent-4-ene
3-metilpent-4-ena
D
3-methylpent-
1-ene
3-metilpent-L-ena
[Lihat
halaman
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H-C-H
ln
tl
C:C- C-C-H
lll
HH H
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45 The
following
thermochemical equation
shows a combustion reaction between hexane,
CuH,o
and oxygen.
Persamaan
termokimia
berikut menunjukkan
tindak
balas
pembakaran
antara
heksana, CuH
,odan
oksigen.
cuH
,o+
|o,
-->
6co2+
7H2o
AH:
-3500
kJ
mol*r
What
is
the
mass
of
hexane need
to be
burnt to
produce
heat
that
can
heat
up
2kg
of
water
from 25 C
to
100 C?
[Relative
atomic
mass
:
C=
12,H=l;
specific
heat
capacity
of
water
-
4.2J
g-l
C-1]
Berapakah
jisim
heksana
yang perlu
dibakar
untuk
menghasilkan
haba
yang
dapat
memanaskan
2kg air daripada
suhu
25
C
ke 100 C?
[Jisim
atom
relatif
: C=
12,
H-l; Muatan
haba tentu air
=
4-2
J
r-l
og-11
A
5.16
g
B
5.56
g
C
15.48 g
D t6.67
g
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4s41n
46
Table
5
shows the
observation
when oxides
of
elements in
Period
3 of the Periodic
Table
is
added
to sodium
hydroxide
solution
and nitric
acid.
X Y
andZ are
not the
actual symbols
of
the elements.
Jadual 5
menunjukkan
pemerhatian
apabila
oksida
bagi
unsur-unsur
dalam
Kala
3
bagi Jadual Berkala
ditambah
kepada
larutan
natrium hidroksida
dan
asid
nitrik.
X Y
danZ
bukan simbol sebenar
bagi
unsur-unsur
itu.
Table
5
Jadual
5
What
is the
correct
arrangement
in
increasing
proton number
of
the
elements?
Apakah
susunan
yang betul
mengikut
pertantbahan
nombor
proton
unsur-Lrnsur
itu?
A X Y Z
B X Z Y
C
Z Y X
D
Y Z X
[Lihat
halaman
sebelah
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Oxide of element
in
Period
3
Oksida
bugi
unsur
dalam
Kula
3
Observation
Pemerhatiun
Sodium
hydroxide
solution
Larutan
natrium hidroksida
Nitric acid
Asid
nitrik
XO
Dissolves
to
form
a
colourless
solution
Larut membentuk
larutan
tak
berwarna
No changes
Tiada perubahan
YO
No changes
Tiada
perubahan
Dissolves
to form a colourless
solution
Larut membentuk
larutan
tak
berwarna
zro
Dissolves to form
a
colourless
solution
Larut membentuk
larutan
tak
berwarna
Dissolves
to
form
a
colourless
solution
Larut
untuk
membentuk
larutan
tak
berwarna
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SULIT 32
4s4ut
47
The following chemical
equation
shows
the
reaction
between
sulphuric acid and
sodium hydroxide.
HrSOo(aq)
+
2NaOH(aq)
-+
NarSOo(aq)
+
2H,O(l)
What is the molarity of
sulphuric acid
used
when 100
cm3 of the acid
neutralises
0.04 mol of sodium hydroxide?
Persamaan
kimia berikut menunjukkan tindak balas
antara asid sulfurik dengan
natrium
hidroksida.
HrSOo(ak)+
2NaOH(ak)
+
NarSOo(ak)
+
2HrO(ce)
Berapakah
kemolaran
asid sulfurik
yang
digunakan apabila 100
cm3 asid
itu
meneutralkan
0 04
mol
natrium
hidroksida?
A
0.02
mol dm-3
B
0.08
mol dm-3
C O.2O mol dm-3
D
0.80
mol
dm-3
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SULIT
33
4s4Ut
48
A
student
wants
to identify
cation
that
present
in
a
salt
solution.
When
sodium
hydroxide
solution
is
added
into
the
salt
solution,
brown
precipitate
is
formed.
What
is the
method
that
need
to
be done
next
and
the
observation
expected
to
confirm
the presence
of
the
cation?
Seorang
murid
ingin
mengenalpasti
kation
yang
hadir
dalam
suatu
larutan
garam.
Apabila larutan natrium
hidroksida ditambah
ke
dalam
larutan
garam itu,
*ridoko,
perang
terbentuk.
Apakah
kaedah yang
perlu
dilakukan
seterusnya
dan
apakah pemerhatian
yang
dijangkakan
untuk
mengesahkan
kehadiran
kation
itu?
Method
Kaedah
Observation
Pemerhatian
Warm
up the
solution
Hangatkan
larutan
Gas
released
turns
red
litmus paper
into
blue
Gas yang
terbebas
menukarkan kertas
litmus
merah
kepada
biru
Heat
up
the
solution
Panaskan
larutan
Gas released
turns
lime
water
chalky
Gas
yang
terbebas
mengeruhkan
air
kapur
Add potassium
tiosianate
solution
Tambahkan
larutan
kalium
tiosianat
Red
blood
solution
produced
Larutan
merah
darah
dihasilkan
Add acidic potassium
manganate VII)
Tamb
ahkan larutan
kalium
manganat YII)
berasid
Purple
solution
is
decolourised
Larutan
ungu
diny
ahw
arnakan
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A
B
C
D
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SULIT
34
4541n
49
What
is the
oxidation
number
of
the
chromium element
in
potassium
dichromate Vl),
KrCrrOr?
Berapakah
nombor
pengoksidaan
bagi
unsur
kromium
dalam
kalium
dikromal Vl)
KrCrrOr?
A+2
B+3
C+5
D+6
50 Iron
rusts in
the
presence
of
oxygen and
water.
Which
method causes iron
to
rust faster?
Besi berkarat dengan
kehadiran
oksigen
dan
air.
Kaedah manakah menyebabkan besi
berkarat
lebih cepat?
A
Coating
iron
with tin
Penyaduran besi
dengan
stanum
B
Touching iron
with
lead
Penyentuhan
besi dengan
plumbum
C
Galvanizing
iron
with
zinc
Penggalvanian
besi dengan
zink
D Connecting
iron
to magnesium
P
enyambungan be
si
kepada
magne sium
END
OF
QUESTION
PAPER
KERTAS
SOALAN
TAMAT
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SULIT 454u1
INFORMATION FOR
CANDIDATES
MAKLUMAT
UNTUK
CALON
1.
This
question
paper
consists
of
50
questions.
Kertas
soalan
ini
mengandungi
50
soalan.
2.
Answer all
questions.
Jawab
semua
soalan.
3.
Each
question
is
followed by
four alternative
answers
A
B C
or
D.
For
each
question
choose one answer only. Blacken
your
answer
on the objective answer
sheet
provided.
Tiap-tiap soalan diikuti oleh
empat
pilihan
jawapan
iaitu
A B
C dan
D. Bagi
setiap soalan
pilih
satu
jawapan
sahaja.
Hitamkan
jawapan
anda
pada
kertas
jawapan
objektif
yang
disediakan.
4.
If
you wish
to
change
your
answer
erase
the blackened
mark that you
have
made.
Then blacken the
new
answer.
Jika
anda hendak
menukar
jawapan
padamkan
tanda
yang
telah
dibuat.
Kemudian hitamkan
jawapan
yang
baru.
5.
The
diagrams
in
the
questions provided
are not
drawn to
scale unless
stated.
Rajah
yang
mengiringi
soalan
tidak
dilukis
mengikut skala
kecuali
dinyatakan.
6.
You may use a scientific calculator.
Anda dibenarkan
meng
gunakan
kalkulato
r s aintffik.
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SULIT
NO.
KAD PENGENALAN
*lafaysio
LEMBAGA
PEPERIKSAAN
KEMENTERIAN
PELAJARAN MALAYSIA
Dua
jam
tiga
puluh
minit
SIJIL
PE,LAJARAN MALAYSIA 2OII
CHEMISTRY
Kertas 2
Nov./Dis.
^l
;
Jam
454u2
ANGKA
GILIRAN
,n oToPe?fifs%-
f'
^z
r.
-+
JANGAN
BUKA KERTAS
SOALAN
INI
SEHINGGA
DIBERITAHU
3.
4.
5.
1. Tulis
nombor kad
pengenalan
dan
angka
giliran
anda
pada
petak
yang
disediakan.
2.
Kertas
soalan
ini
adalah
dalam
dwibahasa.
Soalan
dalam bahasa Inggeris
mendahului soalan
yang
sepadan dalam
bahasa Melayu.
Calon
dibenarkan meni
aw ab
ke s
eluruhan
atau sebahagian
soalan
sama ada dalam
bahasa
Inggeris atau
bahasa Melayu.
Calon
dikehendaki
membaca
maklumat
di
halaman
belakang
kertas
soalan
ini.
Untuk
Ke
gunaan
Pemeriksa
Kod
Pemeriksa:
Bahagian
Soalan
Markah
Penuh
Markah
Diperoleh
A
I
9
I
9
3
10
4
10
5
11
6
u
B
7
20
8
20
C
9
20
10
20
Jumlah
Kertas
soalan
ini mengandungi
27
halaman
bercetak
dan
I
454112
o
2011
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halaman
tidak
bercetak.
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halaman
sebelah
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ilt
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For
Examiner s
Use
1(a)(i)
1(a)(ii)
1(a)(iii)
SULIT
454u2
Section
A
Bahagian
A
160
marks)
[60
markah)
Answer
all
questions
in this
section.
Jawab semua soalan dalam bahagian
ini.
1
Table
1
shows the
number
of
protons,
neutrons
and
electrons
present
in
atom
Q
and atom
X.
The
letters used are not the actual
symbols
of
the atoms.
Jadual
I
menunjukkan
bilangan
proton,, neutron dan elektron
dalam atom
Q
dan
atomX. Huruf
yang
digunakan bukan
simbol sebenar
bagi
atom-atom
itu.
Atom
Number ofprotons
Bilangan
proton
Number of
neutrons
Bilangan neutron
Number
of
electrons
Bilangan
elektron
a
11
t2
11
X t7
18
t7
Table
1
Jadual
I
(a)
(i)
State
the term
for the total number
ofprotons
and neutrons
in
an
atom.
Nyatakan istilah bagi
jumlah
bilangan
proton dan
neutron
dalam
satu atom.
ll
markl
ll
markah)
(ii)
Name
the
two
subatomic
particles
present
in
the
nucleus
of
an
atom.
Namakan
drua
zarah
subatom
yang
terdapat
dalam
nukleus suatu
atom.
(iii)
Draw
the
electron
arrangement
of
Q
ion.
Lukis susunan
elektron
bagi
ion
Q.
12
marksl
12
markahl
ll
markl
ll
markahl
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SULIT
(b)
(i)
3
Atom
Y is
an
isotope
of
atom
X.
State
the
number
of
protons
in
atom
y.
Atom
Y
ialah
isotop
bagi
atom
X.
Nyatakan
bilangan proton
dalam
atom
y
.
454u2
l(bxi)
For
Examiner s
Use
1(cXii)
Total
A1
1(c)(i)
[E
1(bxii)
I
markl
ll
markahl
(ii)
Atom
X
and
atom
Y
show
the same
chemical
properties.
State
one
reason.
Atom
X
dan
atom
Y
menunjukkan
stfot
kimia yang
sama.
Nyatakan
satu
sebab.
ll
markl
lL
markahl
(c)
(i)
Element
X
has
a
boiling poinr
of
-34.0
.C.
Predict
the
physical
state
of
element
X at
room
temperature.
Unsur
X
mempunyai
takat
didih
-34.0
.C.
Ramalkan
keadaan
fizikal
bagi
unsur x pada
suhu
bilik.
fl
mark)
ll
markahl
(ii)
Based
on
the kinetic
theory
of matter,
describe
the affangement
and
movement
of
particles
of
element
X
at room
temperature.
Berdasarkan
teori
kinetik
jirim,
huraikan
susunan
dan
pergerakan
zarah
bagi
unsur
X
pada
suhu
bilik.
Arrangement
of
particles
:
Susunan
zarah
Movement of
particles
:
Pergerakan
zarah
12
marksl
12
markahl
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For
Examiner s
Use
2(a)
2(bxi)
2(bxiD
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SULIT
454U2
2 In an
experiment
to investigate the
rate
of
reaction,
50.0
cm3
of 0.
2 mol dm-3
sodium
thiosulphate
solution
and
5.0cm3
of
1.0
mol
dm-3 of
sulphuric acid,
are
used. The
sulphur
formed can be used
to
measure
the
rate
of reaction.
Dalam
satu eksperimen
untuk
mengkaji kadar tindak balas,50 0
cm3
larutan natrium
tiosulfat 0.2
mol
dm-3 dan 5.0 cm3
asid
sutfurik
1.0
mol dm-3, digunakan. Sulfur
yang
terbentuk boleh digunakan untuk
mengukur kadar
tindak
balas itu.
The
equation
for
the reaction is
given
below.
Persamaan tindak balas
itu diberi
di bawah.
NarSrO,
+
H2SO4+ NarSOo
+
SO,
+
S
+
HzO
(a)
What
is
the colour
of
sulphur?
Apakah
warna
sulfur?
U
mark)
IL
markah]
(b)
The
number
of
moles
of
a solute
can be calculated
using
the
formula,
n
=
MV.
[n =
Number of moles of
solute
(mol),
M
-
Molarity of
solution
(mol
dm-3),
V
=
Volume of solution
(dm3)l
Bilangan
mol
suatu
zat
terlarut
boleh
dihitung
menggunakan
rumus,
n
=
MV.
ln
-
Bilangan mol
zat
terlarut
(mol),
M
-Kemolaran
larutan
(mol
d--3),
V
=
1si padu larutan
(d.r,3)l
Calculate:
Hitung:
(i)
The
number
of mole
of sodium
thiosulphate
in
the
solution.
Bilangan mol bagi
natrium
tiosulfat dalam
larutan itu.
U
markl
lI
markahl
(ii)
The number
of
mole of sulphuric
acid.
Bilangan
mol bagi asid
sulfurik.
U
markl
ll
markahl
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SULIT
(c)
4s41t2
Based
on
the
answers
in}(b)(i)
and
2(b)(ii),name
the
reactant
which
determines
the
quantity
of
sulphur
formed
at the
end
of
the
reaction.
Berdasarkan
iawapan
di
2(b)(1)
dan
2(b)(11),
namakan
bahan
tindak
balas yang
menentukan
kuantiti
sulfur yang
terbentuk pada
akhir
tindak
balas
itu.
ll
markl
ll
markahl
@
(i)
State
three
factors
that
can
affect
the rate
of reaction
in
this
experiment.
Nyatakan
tigafaktor
yang
boleh
mempengaruhi
kadar
tindak
balas
itu
dalam
eksperimen
ini.
13
marksl
[3
markah]
Using
the collision
theory,
explain
how
any
one of
the factors
in
2(d)(i)
increases
the
rate
of
reaction.
M
e n
g
g
unakan
t
e o
ri
p
e rl
an
g
I
ar
an,,
t e
r an
g
kan
b
a
g
aimana
m an
a
-
m
ana
sata
daripadafaktor
di 2(d)(1)
meningkatkan
kadar
tindak
balas
itu.
(ii)
For
Examiner s
Use
2(c)
[E
2(d)(1)
2(AGt
[2
marks]
[2
markah]
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For
Examiner s
Use
3(a)(i)
3(aXii)
3(bxi)
3(bxiD
SULIT
6
3
Diagram 3 shows
the symbols
of the atoms of
elements
LJ, V and
W.
The
letters
used
are
not the actual symbols
of the elements.
Rajah 3 menunjukkan
simbol atom bagi
unsur-unsur
U,
V
dan
W
.
Huruf
yang
digunakan bukan
simbol sebenar bagi
unsur-unsur
itu.
Diagram 3
Rajah
3
U and V are Group
1
elements
in
the
Periodic
Table.
U
dan
Y adalah unsur
Kumpulan I
dalam Jadual
Berkala.
(i)
State
the
number of valence electrons
in the atoms of element
U.
Nyatakan
bilangan elektron
valens
dalam atom
bagi
unsur
U.
454U2
(a)
Il
markl
ll
markah)
(ii)
What is the
physical
state of U
at
room conditions?
Apakah keadaan
fizikal
U
pada
keadaan
bilik?
[t
mark]
lI
markahl
Going down
Group
1, the
reactivity
of
the elements
increases. U
and V
react
with water
to
produce metal hydroxide solution and
hydrogen
gas.
Menuruni Kumpulan
I, kereaktifan unsur bertambah.U
danY
bertindak
balas
dengan
air untuk menghasilkan
larutan
logam hidroksida
dan
gas
hidrogen.
(i)
Which
element,
U or
V, reacts
more
vigorously
with water?
Antara unsur
U
dan
Y, manakah
yang
bertindak
balas
lebih
cergas
dengan
air?
ll
markl
fl
markah]
(ii)
Based
on
the
answer
in
3(b)(i),
write
the
chemical
equation
for the
reaction.
Berdasarkan
jawapan
di 3(bxi),
tulis
persamaan kimia bagi
tindak
balas
itu.
12
marksl
12
markahl
SULIT
(b)
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SULIT
(c)
7
Write the
electron affangement for
the atoms of element W.
Tulis susunan elektron
bagi
atom
unsurW.
4s41t2
(i)
For
Examiner s
Use
3(cXi)
3(c)(ii)
3(c)(iii)
3(dQ)
3(d/(ii)
Total
A3
tE
ll
mark)
ll
markahl
(ii)
Identify the
period
for
the atoms
of element
W.
Kenal
pasti
kala
bagi atom unsur W .
@
fl
mark]
ll
markahf
(iii)
Give one
reason
for
the answer in 3(cXii).
Beri satu sebab bagi
jawapan
di 3(c)(11).
l1
markl
ll
markahl
V and
W are
placed
in
the
same
period
in
the
Periodic
Table.
Y danW
terletak dalam
kala
yang
sama dalam
Jadual
Berkala.
(i)
Which element,
V
or
W, has
the
smaller
atomic
size?
Antara unsur Y
dan W,
manakah
yang
mempunyai
saiz
atom
yang
lebih
kecil?
U
markl
ll
markahl
(ii)
State one
reason for the answer
in
3(d)(i).
Nyatakan satu
sebab bagi
jawapan
di
3(d)(1).
ll
mark)
ll
markah)
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For
Examiner s
Use
a@)
tE
4(b)
G
a(cXi)
a(cXii)
SULIT
4s4u2
4 Hydrochloric
acid
is
a
strong acid. Table
4 shows two solutions
of
hydrochloric acid,
P and
Q,
of different
concentrations.
Asid
hidroklorik ialah
asid kuat.
Jadual
4
menunjukkan
dua larutan
asid hidroklorik,
P
dan
Q,,
dengan
kepekatan
yang
berlainan.
Hydrochloric
acid
solution
Larutan
asid
hidroklorik
Concentration
(mol
drnj)
Kepekatan
(md
dm-3)
P
0.100
a
0.001
Table
4
Jadual
4
State
the
meaning
of an
acid.
Nyatakan maksud
asid.
(a)
Il
markl
[l
markah)
(b)
Why hydrochloric acid
is
a
strong
acid?
Mengapakah asid
hidroklorik
ialah
asid
kuat?
ll
markl
ll
markah)
(c)
Solutions
P
and
Q
have different
pH values.
Larutan
P
dan
Q
mempunyai
nilai
pH yang
berbeza.
(i)
Which
solution
gives
a
lower
pH
value?
Larutan
yang
manakah
memberi
nilai
pH
yang
lebih
rendah?
ll
markl
ll
markah]
(iD
Give
one
reason
for
the answer
in a(c)(i).
Beri
satu
sebab bagi
jawapan
di
a@)G).
ll
markl
I
markahl
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SULIT
9
454112
@
25
cm3 of 0 1
mol
dm-3
sodium hydroxide
solution
is
put
in
a
conical flask.
Then
a
few drops of
phenolphthalein
are
added.
This
solution is
titrated
with
solution
P.
25
cm3 larutan
natrium
hidroksida
0.1 mol dm-3
dimasukkan
ke
dalam
kelalang
kon. Kemudian
beberapa
titis
fenolftalein
ditambah.
Larutan ini
dititratkan
dengan
larutanP.
(i)
State
the type of
reaction
between
sodium
hydroxide solution
and solution
P.
Nyatakan
jenis
tindak
balas
antara
larutan
natrium
hidroksida
dengan
larutanP.
ll
markl
ll
markahf
What
is
the
colour
change
of
the
mixture at the end
point?
Apakah
perubahan warna
campuran
itu pada takat akhir?
(ii)
For
E-raminer s
Use
4(d)(1)
4(d)t1i)
4(d)(lii)
a(QQv)
[E
Total
A4
tE
fl
markl
lI
markahl
(u1)
Write
the chemical
equation
for
the
reaction.
Tulis
persamaan
kimia bagi tindak
balas
itu.
(iv)
Calculate
the
volume of
hydrochloric
acid used.
Hitung
isi
padu
asid
hidroklorik
yang
digunakan.
[2
marks)
12
markahl
12
marks)
12
markahl
[Lihat
halaman
sebelah
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For
Examiner s
Use
5(a)
G
s(b)
G
sul,rr
10
454112
5 Diagram 5 shows
the
apparatus
set-up
to study
the electrolysis
of 1
0
mol
dm-3
copper(Il)
sulphate
solution.
In
Set
I,
carbon electrodes
are
used.
In
Set II,
copper
electrodes
are used.
Rajah
5
menunjukkan
susunan
radas
untuk
mengkaji
elektrolisis larutan
kuprum(Il)
sulfat
1
.0
mol
dm-3.
Dalam Set
I,
elektrod karbon digunakan.
Dalam Set II, elektrod kuprum digunakan.
1
.0
mol dm-3
copper(Il)
sulphate solution
Larutan
kuprum(Il)
sutfat
l 0
mol
dm*3
Carbon
electrodes
Elektrod
karbon
Copper
electrodes
Elektrod
kuprum
rl
Set
I
Diagram
5
Rajah 5
What is
the
meaning
of
an
anion?
Apakah
maksud
anion?
rl
Set
II
(a)
---=
_-_-_-_
t---_
t-__-_-_
t-_-_-_-_
l-_-_-_-_
l-_-_-_-_
l-_-_-_-_
-----..i
_-__________
-1
t-_-_-_-_-_
::_-_-_-_-
_i--r_-_-_-__-_-_
I
l-_-_-_-_-_ _
I
l-_-_-_-_-_-_
j-
l-_-_-_-_-_-_
J t_-_-_-_-_-_
I L_____
-l
I__
I F_
_-_-_-_-_
ll
markl
l1
markahl
(b)
State
all
the anions
and
cations
in
copper(Il)
sulphate
solution.
Nyatakar?
semua
anion
dan kation dalam
larutan
kuprum(Il)
sulfat.
Anions:
Anion
Cations:
Kation
13
marksl
f3
markah)
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11
(c)
Based
on
Set I
in
Diagram
5:
Berdasarkan Set
I
dalam Rajah
5:
4541t2
(i)
Write
the
formula
of
the
ion that
is
selectively discharged
at the anode.
Tulis
formula
bagi
ion
yang
dipilih
untuk dinyahcaskan
di anod.
U
mark)
I
markahl
(ii)
Write
the
half-equation
for
the reaction
that
takes
place
at
the
anode.
Tulis
setengah persamaan
bagi
tindak balas
yang
berlaku
di
anod.
12
marksl
12
markahf
(iii)
Describe briefly
the chemical
test
to
confirm
the
product
at the anode.
Huraikan
secara
ringkas
ujian kimia
untuk
mengesahkan hasil
di
anod.
12
marksl
l2
markah)
@
Compare
the colour of the copper(Il) sulphate solutions
in
Set I
and
Set
II
after
one hour
of
electrolysis.
Give
one
reason for
the answer.
Bandingkan
warna larutan
kuprum(Il) sulfat
dalam
Set
I
dan
Set
II
selepas
s atu
.j
am
ele
kt
roli
s i
s dij
alankan.
Beri
satu
alasan
bagi
jawapan
itu.
Comparison:
Perbandingan
Reason:
Alasan
[2
marksl
12
markahl
[Lihat
halaman
sebelah
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54112 o
201I
Hak
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For
Examiner s
Use
s(cXi)
s(cXii)
s(cXiii)
s@
[E
Total
A5
G
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For
Use
6(a)
[tr
6(bxi)
6(bxiD
SULIT
Iron(II)
sulphate
solution
L
arut
an
ferum(ll)
s u
lfu
t
L2
4s4u2
Acidified
potassium
dichromate(Vl)
solution
Larutan
kalium
dikromal(Vl)
berasid
Dilute sulphuric
acid
Asid sulfurik
cair
Diagram
6
shows
the
apparatus
set-up for
an experiment
to investigate
electron
transfer
at a
distance
in
redox
reactions.
Rajah
6 menunjukkan
susl4nan
radas
bagi
satu
eksperimen
untuk
mengkaii
pemindahan elektron
pada
suatu
jarak
dalam
tindak
balas
redoks.
Diagram 6
Rajah
6
(a)
State
the colour
of
iron(Il)
sulphate solution.
Nyatakan
warna
larutan
ferum(Il)
sulfat.
fl
mark]
ll
markahl
(b)
When
the
circuit
is
completed,
the
galvanometer
shows
a
deflection.
Ap ab
il
a
I it
ar
dil
e
n
gkapkan,
g
alv an
ome t e
r
me
nunj ukkan
s
at u
p
e s on
I
an
.
(i)
Write
the half-equation
for the reaction
at
X.
Tulis
setengah
persamaan
bagi
tindak
balas
di
X.
ll
mark)
U
markahl
State
the type
of
reaction
in
6(bxi).
Nyatakan
jenis
tindak
balas
di
6(b)(1).
(ii)
Carbon
Karbon
ll
markl
fl
markahl
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L3
454u2
(iii)
Describe
briefly
a
chemical
test
to
identify
the
cation
formed
in 6(bXi)
Huraikan
secara
ringkas
uiian
kimia
untuk
menSenal
pasti
kation
yanS
terbentuk
di
6(b)(1)
12
marksl
12
markahl
The
harf-equation
below
shows
the
reaction
that
occurs
in
acidified
potassium
dichromate(Vl)
solution.
Complete
the
half-equation
Setengah
persamaan
di
bawah
menuniukkan
tindak
balas
yang
berlaku
dalam
larutan
kalium
dikromar(vl)
berasid-
Lengkapkan
setengah
p ers
amaan
itu
(c)
(i)
Berdasarkan
jawapan
di
6(b)(1)
dan
6(cXi),
pada
ponoh untuk menuniukkan arah
aliran
elektron
12
marks)
12
markah)
the
arrows
ll
markl
Rajah
6,
lukiskan
anak
ll
markahl
[Lihat
halaman
sebelah
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CrrOr2-
+
-H++
-e+-Cr3*+-_HrO
Diagram
6,
draw
Based
on
rhe
answers
in
6(b)(i)
and
6(cXi)
on
to
show
the
direction
of
electron
flow
ii)
454112
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2o1r
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CiPta
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For
Examiner s
Use
6(bxiii)
6(c)(i)
6(c)(ii)
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For
Examiner s
Use
6(4
[E
Total
A6
G
SULIT
t4
4541t2
@
Table
6
shows
a list of
apparatus and
materials.
Jadual
6 menunjukkan
senarai
radas dan
bahan.
Apparatus and
Materials
Radas
dan
Bahan
.
Porous
pot
Carbon electrodes
Pasu
berliang
Elektrod-elektrod karbon
.
Beaker
.
Bromine water
Bikar
Air
bromin
.
Connecting
wires
Potassium
iodide solution
Wayar
penyambung Larutan kalium
iodida
.
Galvanometer
Galvanometer
Table
6
Jadual
6
Draw
one
labelled diagram
to
show
the
apparatus
set-up to
investrgate electron
transfer
at
a distance.
The diagram
must include
the apparatus
and
materials
given
in
Table 6.
Mark in the diagram
the
positive
and
negative
terminals
of
the
cell.
Lukis
satu
rajah berlabel
untuk menunjukkan
susunan
radas bagi
mengkaji
pemindahan
elektron
pada suatu
jarak.
Rajah
itu hendaklah
menggunakan
radas
dan
bahan
yang
diberi
dalam Jadual
6.
Tandakan
terminal
positif
dan
negatif
bagi
sel
pada raiah
itu.
13
marksl
f3
markahl
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(b)
Table 7 shows
five different
manufactured
substances
in
industry,
V,
W,
X,
Y
andZ,
and their
uses.
Jadual
7
menunjukkan
lima
bahan
buatan
industri,
V,
.W,
X,
Y dan
Z,
yang
b
erb
e
za
dan
ke
gunaannY a.
Manufactured
substances
in
industry
Bahun
buatan
industri
Uses
Kegunuun
V
To
make
glass
cookware
and boiling
tubes
Untuk
membuat
alatan
memasak
berkaca
dan
tabung
didih
w
To
make
internal
wall
of
the
furnace
Untuk
membuat
lapisan
dalam
dinding
relau
x
To make
helmets
and
water
storage
tanks
(Jntuk
membuat
topi
keledar
dan
tangki
penyimpanan
air
Y
To
make
medals
and
statues
[Jntuk membuat
pingat
dan
tugu
Z
To make
the body
of
aeroplanes
Untuk
membuat
badan
kapal
terbang
TableT
Jadual
l
Based
on
Table
7
,
state
the
names
of
V,
W,
X, Y andZ.
Give
the
specific
properties
of
each
of the
substances
to support
your
answers.
ll0
marksl
Berdasarkan
Jadual
7
,
nyatakan
nama
bagi
V,
W,
X, Y dan
Z.
Berikan
stfat
khusus
bagi
setiap
bahan
tersebut
untuk
menyokong
iawapan
anda.
ll0
markah)
(c)
Explain
how
synthetic
polymers
can
cause
environmental
pollution.
[4 marks]
Terangkan
bagaimana
polimer sintetik
boleh
menyebabkan
pencemaran
alam
tbkitor.
14
markahl
454L12
o
2011
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8
a)
17
Diagram
B.
I
shows the
label
on
a
pack
of food.
Rajah
8.1
menunjukkan
label