sbp mid year 08

8/22/2019 Sbp Mid Year 08

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SULIT

SULIT 4541/1

4541/1

Kimia

Kertas 1

Mei

20081 jam

BAHAGIAN SEKOLAH

KEMENTERIAN PELAARAN MALA!SIA

______________________________________________

PEPERIKSAAN PERTENGAHAN TAHUN 2008

TINGKATAN 5

KIMIA

Kertas 1

Satu jam lima belas minit

ANGAN BUKA KERTAS SOALAN INI HINGGA "IBERITAHU

1. Kertas soalan ini mengandungi 50 soalan.

2. Jawab semua soalan

3. Jawab dengan menghitamkan ruangan yang betul pada kertas jawapan4. Bagi setiap soalan hitamkan satu ruangan sahaja

5. ekiranya anda hendak menukar jawapan! padamkan tanda yang telah

dibuat. Kemudian hitamkan jawapan yang baru.

". #ajah yang mengiringi soalan tidak dilukiskan mengikut skala.

$. %nda dibenarkan menggunakan kalkulator sainti&ik yang tidak boleh

diprogramkan.

Kertas soalan ini mengandungi 23 halaman bercetak

SULIT 4541/11


2/24

SULIT

IN#ORMATION #OR $AN"I"ATES

1 'his (uestion paper )onsists o& 50 (uestions.

2 %nswer a%%(uestions.

& %nswer ea)h (uestion by bla)kening the )orre)t spa)e on the answer sheet.

4 Bla)ken only '(espa)e &or ea)h (uestion.

5 *& you wish to )hange your answer! erase the bla)kened mark that you ha+e made. 'hen

bla)ken the spa)e &or the new answer.

) 'he diagrams in the (uestions pro+ided are not drawn to s)ale unless stated.

* ,ou may use a non-programmable s)ienti&i) )al)ulator.

SULIT 4541/12


3/24

SULIT

1 After making observations, a chemist should tr to

A collect data

B make inference

$ make h!othesis

" identif !roblems

2 "he diagram sho#s a model of an atom.

$ho introduced this model%

A &eils 'ohr

B (.( "homson

$ (ames )had#ick

" *rnest +utherford

& $hat is the relative molecular mass of hdrated magnesium sul!hate, gS- ./02-%

+elative atomic mass g, 2 S,32 -,14 0,15

A 16

B 24

$ 376

" 364

4 "he table sho#s the !ro!erties of element 8.

SULIT 4541/13

*lectron

&ucleus that contains

!roton and neutrons

Shell


4/24

SULIT

$hich of the follo#ing elements is 8%

A Sodium

B 0elium

$ Argon

" Silver

5 "he table sho#s the electron arrangement for elements , &, 9 and 8.

*lement *lectron arrangement

2.

& 2.:.2

9 2.4

8 2.:./

$hich of the follo#ing elements react to form an ionic com!ound%

A and 9

B 9 and 8

$ and 8

" 9 and &

) "he diagram sho#s the electrolsis of molten lead;li@uid chromatogra!h

illed in electric light bulbs

heat

)arbon

Bead;


5/24

SULIT

A('+e $at,'+e

A 'romine Bead

B -Cgen 0drogen

$ 'romine 0drogen

" -Cgen Bead

* $hich of the follo#ing is a #eak alkali%

A Bithium hdroCide

B A@ueous ammonia

$ )oo!er;


6/24

SULIT

$ "he amount of kinetic energ of molecules during a collision

" "he minimum amount of energ that !articles must have in order to

react

11 $hich of the follo#ing structural formulae sho#s an unsaturated hdrocarbon%

SULIT 4541/1

A

B

$

"

4


7/24

SULIT

12 "he diagram sho#s the atomic smbol of element E.

$hich of the follo#ing is true about the sub>atomic !articles of element E%

9roton &umber &umber of neutron &umber of electron

A / / 17

B / / /

$ 3 3

" 3 2

1& $hat is the number of oCgen atom in 7.1 mole of #ater%

Avogadro constant 4.72 C 1723mol>15

A 4.72 C 1722

B 4.72 C 1723

$ 47.2 C 1723

" 3.71 C 1723

14 E is an element that has the follo#ing !ro!erties

o&t solid

#ea)ts with )old water to &orm alkaline solution

tore in para&&in oil

Among elements A, ', ) and H in the 9eriodic "able of elements, #hich elementre!resent E%

SULIT 4541/1/

/

3


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SULIT

15 "he diagram sho#s the electron arrangement of a com!ound formed bet#een

atoms 9 and 8.

$hich of the follo#ing statements is true about the com!ound%

A "here is strong intermolecular force bet#een !articles 9 and 8

B "he com!ound is formed b sharing the electrons

$ "he com!ound conduct electricit in molten state

"


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SULIT

B Ireenish ello# gas evolved

$ 'ro#n solution !roduced

" 'ro#n solid de!osited

1* $hich of the follo#ing e@uations sho#s the neutraliJation !rocess%

I )u- 02S- )uS- 02-

II Gn 20)l Gn)l2 02III &03 0&-3 &0&-3I )a)-3 02S- )aS- 02- )-2

A < onl

B


10/24

SULIT

A )o!!er;


11/24

SULIT

I 0eat energ is released b !articles

II "he kinetic energ of the !articles increase

III "he !article are closer to one another

I "he movement of the !articles becomes slo#er

A < and


12/24

SULIT

25 "he electron arrangement of atom ( is 2.4 and atom I has valence electrons.

$hat t!e of bond and the chemical formula of the com!ound formed bet#een

atoms ( and I%

"!e of bond )hemical formula

A u! of a!!aratus for the electrolsis of silver nitrate

solution.

$hat is formed at the cathode%

A Silver atomsB -Cgen gas

$ 0drogen gas

" Silver ions

2* "he distilled #ater is added to 27 cm3of 1.7 mol dm>3sodium hdroCide solution

to !roduce 267 cm3of sodium hdroCide solution.

$hat is the concentration of the sodium hdroCide solution !roduced%

A 7.72 mol dm>3

B 7.7 mol dm>3

$ 7.74 mol dm>3

" 7.7: mol dm>3

28 Ammonium sul!hate is used as a chemical fertiliJer. "his fertiliJer can be

!re!ared in the laborator through the reaction bet#een

A a@ueous of ammonia solution and dilute sul!huric acidB a@ueous of ammonia solution and sul!hur dioCide

SULIT 4541/112

Silver

Silver nitrate solution

Silver


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SULIT

$ ammonia gas and sul!hur and oCgen

" ammonia gas and sul!hur trioCide

2- "he diagram sho#s the arrangement of atoms in steel.

$hat is E%

A "inB Ginc

$ )arbon

" )o!!er

&0 "he gra!h sho#s the maCimum volume of carbon dioCide gas evolved #hen

calcium carbonate react #ith hdrochloric acid.

SULIT 4541/113

Iron atom

X atom

Dolume of )-2gasM cm3

"imeM s

36

127


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SULIT

$hat is the rate of reaction at 127 s%

A 7.77 cm3s>1

B 7.16 cm3s>1

$ 7.2L cm3s>1

" 7.36 cm3s>1

&1

$hat could be the organic com!ounds E and F, )atalst and 9rocess A in the

diagram%

Compound X Compound

Y

Catalyst Process A

A *thene *thanol 9hos!horic acid -Cidation

B *thane *thene &ickel 0drogenation$ *thane *thene &ickel -Cidation

" *thene *thanol 9hos!horic acid 0drogenation

&2 "he table sho#s the melting !oint and boiling !oint for substances 9, 8, +

and S.

Substance elting !ointM o) 'oiling !ointM o)9 /L 17:

8 >1:7 >127

+ >L6 4L

S >147 >L7

$hich of the substances eCists as a li@uid at room tem!erature%

A 8

B +

$ S

" 9

SULIT 4541/11

SteamM)atalst

)om!ound F)om!ound E

9rocess A Acidified !otassium

dichromate ;D


15/24

SULIT

&& "he e@uation sho#s the reaction of the eCtraction of iron from iron;


16/24

SULIT

&) "he diagram sho#s the voltaic cell.

$hich of the follo#ing half>e@uations re!resent the reaction at the negative

terminal and !ositive terminal%

&egative "erminal 9ositive terminalA g g2 2e )u2 2e )u

SULIT 4541/114

)o!!er;


17/24

SULIT

B g2 2e g )u )u2 2e

$ )u2 2e )u g g2 2e

" )u )u2 2e g2 2e g

&* $hich of the follo#ing solutions has the highest concentration of hdrogen ion%

A 67 cm3of 1.7 mol dm>302S-solution

B 67 cm3of 2.7 mol dm>302S-solution

$ 177 cm3of 1.7 mol dm>302S-solution

" 167 cm3of 1.7 mol dm>302S-solution

&8 "he reaction bet#een lead;


18/24

SULIT

40 "he gra!h sho#s the volume of carbon dioCide gas released against time for the

reaction bet#een 26 cm3of hdrochloric acid #ith eCcess marble.

SULIT 4541/11:

)a)-3 20)l )a)l2 )-2 02-

Dolume of )-2M cm3

1:7

$%

$% $%

"imeMs


19/24

SULIT

$hat is the concentration of acid used%

olar volume 2 dm3mol>1at room tem!erature5

A 7.3 mol dm>3

B 7. mol dm>3$ 7.6 mol dm>3

" 7.4 mol dm>3

41

$hat is the molecular formula of com!ound E%+elative atomic mass ),12 0,15

A )02B )20$ )204" )304

42 agnesium ribbon reacts #ith element 8 from grou! 1/ in 9eriodic "able.

$hich of the follo#ing chemical e@uations is correct%

A g 8 N g8

B g 82 N g82$ 2g 82 N 2g8

" g 28 N g82

4& $hich of the follo#ing !airs sho# the correct uses of the isoto!es%

47 "o destro bacteria in food

II )arbon>1 "o estimate the age of artifacts

III 131 "o detect the location of tumour

I Sodium>2 "o detect leaks in underground !etroleum !i!ing

A < and


20/24

SULIT

44 Sul!hur dioCide gas, S-2causes environmental !ollution.

$hich of the follo#ing environmental !ollutions is affected b sul!hur dioCide,

S-2%

I !0 of the soil increases

II Bakes and rivers become acidic

III Salts are leached out of the to! soil

I 'uildings and metal structures #ill corrode

A < and


21/24

SULIT

$

"

4) $hat is the volume of 7.2 mol dm>3sul!huric acid solution re@uired to com!letel

neutraliJe 67 cm3of 7.2 mol dm>3!otassium hdroCide solution%

A 26 cm3

B 37 cm3

$ 6 cm3

" 67 cm3

4* "he diagram sho#s the structural formula of com!ound E.

SULIT 4541/121

Silver nitrate

Silver stri!


22/24

SULIT

$hich of the follo#ing is an isomer of E%

48 $hich !air of the organic com!ounds belo# can be distinguished b using acidified

!otassium manganate;D


23/24

SULIT

4- $hich of the follo#ing reactions re!resent the !reci!itation reactions%

I 9b;&-3=2 &a2S- N 9bS- 2&a&-3

II 'a;&-3=2 2K)l N 'a)l2 2K&-3

III 9b;&-3=2 2K)l N 9b)l2 2K&-3I )a;&-3=2 &a2S- N )aS- 2&a&-3

A < and


24/24

SULIT

$hich of the follo#ing solutions #ill !roduce curve 3hdrogen !eroCide solution

$ 37 cm37.2 mol dm>3hdrogen !eroCide solution

" 7 cm37. mol dm>3hdrogen !eroCide solution

EN" O# UESTION PAPER

sbp mid year 08

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