SECTION A

BAHAGIAN A

[40 Marks]

[40 markah]

Answer all questions

Jawab semua soalan

1. Diagram 1 shows the particles on a substance.

Rajah 1 menunjukkan zarah-zarah dalam suatu bahan.

Diagram 1

(a) On diagram 1, label P , Q and R with the following words:

Pada rajah 1, labelkan P, Q dan R dengan perkataan berikut:

[ 3 marks ]

(b) Draw lines to match the particle in the substance with correct examples.

Lukis garis untuk memadankan zarah-zarah bahan dengan contoh yang betul.

[ 3 mark

Element Mixture Compound

Unsur Campuran Sebatian

Q: P:

P Iron sulphide

Besi sulfida

Iron and sulphur

Besi dan sulfur

Iron

Besi

1 (a)

1 (b)

Total

R:

Q

R

2. Diagram 2.1 shows the support system in land animals.

Rajah 2.1 menunjukkan system sokongan dalam haiwan daratan

Diagram 2.1

Rajah 2.1

(a) In the box provided on diagram 2.1, name the type skeleton of

the animals

Di dalam kotak yang disediakan pada rajah 2.1, namakan jenis rangka

bagi haiwan tersebut

[2 marks]

(b) Give two functions of the skeleton in animal J.

Namakan dua fungsi rangka ini pada haiwan J.

(i) ………………………………………………………………..

(ii) …………………………………………………………………

[2 marks]

J: K:

2 (a)

2 (b)

( c) Diagram 2.2 shows animals living in sea water.

Rajah2.2 menunjukkan haiwan yang hidup dalam air laut

Diagram 2.2

Rajah 2.2

(i) Based on the diagram 2.2, name the type of skeleton of the animal

Berdasarkan rajah 2.2, namakan jenis rangka pada haiwan ini

……………………………………………………………………………

[ 1 mark]

(ii) Explain why this animal able to swim in sea water.

Terangkan mengapa haiwan ini boleh berenang dalam air laut.

……………………………………………………………………………

[ 1 mark]

2 (c)(i)

Total

2 (c)(ii)

3. Diagram 3.1 shows an activity to obtain water from river water.

Rajah 3.1 menunjukkan suatu aktiviti mendapatkan air daripada air sungai.

Diagram 3.1

Rajah 3.1

(a) (i) Based on diagram 3.1, give the changes in the state of matter in Liebig

condenser

Berdasarkan rajah 3.1, berikan perubahan keadaan jirim dalam Kondenser

Liebig

..........................................................................................................................

[ 1 mark ]

(ii) State the process involved .

Nyatakan proses yang terlibat.

........................................................................................................................

[ 1 mark]

(b) Explain why distillate is not suitable as drinking water.

Terangkan mengapa hasil turasan tidak sesuai sebagai air minuman.

..........................................................................................................................

.........................................................................................................................

[ 1 mark]

3(a(i)

3(b)(ii)

3(a)(ii)

3(b)

P

Liebig condenser

Kondenser Liebig

Water outlet

Air keluar

Water inlet

Air masuk

River water

Air sungai

Heated

Dipanaskan

(c) Diagram 3.2 shows an activity to purify water

Rajah 3.2 menunjukkan suatu aktiviti untuk membersihkan air.

Diagram 3.2

Rajah 3.2

(i) State the method used in this activity.

Namakan kaedah yang digunakan dalam aktiviti ini.

.............................................................................................................................

[1 mark ]

(ii) Name the liquid collected in beaker Q.

Namakan cecair yang terkumpul dalam bikar Q.

Q :........................................................................................................................

[ mark]

(d) Based on activity in diagram 3.1 and 3.2 , state the difference between the liquid

. P and Q.

Berdasarkan aktiviti dalam rajah 3.1 dan 3.2, nyatakan perbezaan antara cecair

P dan Q.

...............................................................................................................................

[ 1 mark ]

Total

3(c)(i)

3(c)(ii)

3(d)

Muddy water

Air berlumpur

Q

4. Diagram 4.1 shows an activity to study the solubility of salt.

Rajah 4.1 menunjukkan aktiviti untuk megkaji keterlarutan garam.

(a) Based on diagram 4, state the salt in which beaker that :

Berdasarkan rajah 4, nyatakangaram dalam bikar manakah yang:

(i) dissolve first

larut paling awal: ………………………………………………….

(ii) dissolve last:

larut paling akhir: ……………………………………………….

[ 2 marks]

(b) Explain your answer in 4(a)(i)

Terangkan jawapan anda di 4(a)(i)

…………………………………………………………………………………..

[ 1 mark ]

4(a)

Beaker L

Bikar L

Beaker K

Bikar K

Beaker J

Bikar J

Beaker M

Bikar M

Diagram 4.1

Rajah 4.1

4(b)

Water at 50 0

C

Air pada 50 0

C

Coarse salt

Garam kasar

Water at 100 0

C

Air pada 100 0

C

Fine salt

Garam halus

(c) Diagram 4.2 shows the solubility graph of different solutes in water.

Rajah 4.2 menunjukkan graf keterlarutan bahan larut dalam air.

Diagram 4.2

Rajah 4.2

Based on diagram 4.2,

Berdasarkan rajah 4.2,

(i) which salt has same rate of solubility at 25 0

C?

garam manakah yang mempunyai keterlarutan yang sama pada suhu 250

C?

.................................................................................................................................

[ 1 mark]

(ii) which salt has very little increase in the rate of solubility when temperature

increases.

garam manakah mempunyai sangat sedikit kenaikan kadar keterlarutan apabila

…………………………………………………………………………………

[ 1 mark ]

(iii) state the rate of solubility of the salt when temperature increases.

nyatakan kadar keterlarutan garam apabila suhu bertambah.

……………………………………………………………………………………..

[ 1 mark]

4(c)(i)

Solubility of

solute (in 100

ml water)

Keterlarutan

bahan larut

(dlm 100ml

air)

5 10 15 20 25 30 35 40 45

Temperature 0 C

Suhu 0 C

Suhu 0

C

4(c)(iii)

4(c)(ii)

Total

Potassium nitrate

Kalium nitrat

Lead nitrate

Plumbum

nitrat

20

10

30

40

50

60

70

80

90

Potassium chloride

Kalium klorida

Sodium chloride

Natrium klorida

5. Diagram 5.1 shows the cross section of human ear.

Rajah 5.1 menunjukkan keratin rentas teling manusia.

Diagram 5.1

Rajah 5.1

Based on diagram 5.1,

Berdasarkan rajah 5.1,

(a)(i) write the sequence of the hearing mechanism

tuliskan urutan mekanisme pendengan

…………………………………………………………………………………

[ 1 mark ]

(ii) part that help body maintain its balance.

bahagian yang membantu badan mengekalkan keseimbangan.

………………………………………………………………………………….

[ 1 mark ]

(iii) part that thicken and become less elastic when a person gets older

bahagian yang menebal dan semakin kurang kenyal apabila meningkat tua.

………………………………………………………………………………….

[ 1 mark ]

iv) suggest one device that can be used to overcome hearing limitation.

cadangkan satu alat yang boleh digunakan untuk mengatasi had pendengaran.

...............................................................................................................................

[ 1 mark ]

5(a)(i)

5(a)(ii)

5(a)(iii)

5(a)(iv)

b) Diagram 5.2 shows an activity to study the properties of sound.

Rajah 5.2 menunjukkan satu aktiviti untuk mengkaji sifat bunyi.

Boy A Boy B

Budak lelaki A Budak lelaki B

Diagram 5.2

Rajah 5.2

(i) State the boy who can hear the ticking of clock better

Nyatakan budak lelaki yang mendengan detikan jam lebih baik

………………………………………………………………………………….

[ 1 mark ]

(ii) Give your reason.

Beri alasan anda.

………………………………………………………………………………….

[ 1 mark ]

(iii) State one property of sound based on the activity.

Nyatakan satu sifat bunyi berdasarkan aktiviti ini.

………………………………………………………………………………….

[ 1 mark ]

(c) Explain why curtains and rugs are put in auditorium.

Terangkan mengapa langsir dan permaidani dipasangkan dalam auditorium.

……………………………………………………………………………………..

[ 1 mark ]

5(b)(i)

Total

TOTAL

Hard and smooth wood plank

Kepingan katu keras dan licin

Polysterene sheet

Kepingan polisterin

5(b)(ii)

5(b)(iii)

5(c)

6.

Diagram 6.1 shows an activity to investigate the properties of silica and

silicate.

Rajah 6.1 menunjukkan suatu aktiviti untuk menyiasat sifat-sifat silika dan

silikat.

Diagram 6.1 Rajah 6.1

Based on the activity,

For Examiner’s Use

Berdasarkan aktiviti,

a) State one property of:

Nyatakan satu sifat

(i) Sand

Pasir: ……………………………………………………………………

[ 1 mark ]

(ii) Clay

Tanah liat: ………………………………………………………………

[ 1 mark ]

6(a)(i)

6 (a)(ii)

Sand

Pasir

Clay

Tanah liat

Test tube holder

Pemegang tabung

uji

Test tube holder

Pemegang tabung

uji

Lime water

Air kapur

Lime water

Air kapur

(iii) Give one property of silicon compound in relation to their abundance in

the earth crust.

Berikan satu sifat sebatian silicon yang berkaitan dengan kehadiran yang

banyaknya dalam kerak bumi.

……………………………………………………………………………… [1 mark]

(iv) State one of the element in a silica.

Nyatakan satu daripada unsur dalam silica.

……………………………………………………………………………….

[ 1 mark ]

(b) Diagram 6.2 show and activity to investigate the property of a carbonate.

Rajah 6.2 menunjukkan satu aktiviti untuk menyiasat sifat suatu karbonat.

Diagram 6.2

Rajah 6.2

(i) State what happen to lime water when acid react with calcium carbonate.

Nyatakan apa berlaku kepada air kapur apabila asid bertindakbalas

dengan kalsium karbonat.

……………………………………………………………………………..

[ 1 mark ]

6(a)(iii)

6 (a)(iv)

Dilute hydrochloric acid

Asid hidroklorik cair

Calcium carbonate

Kalsium karbonat Lime water

Air kapur

6 (b)(i)

(ii) State P and Q to complete the equation of the reaction.

Nyatakan P dan Q untuk melengkapkan persamaan tindakbalas ini

P : ……………………………………………………………

Q : …………………………………………………………..

[ 2 marks ]

(c) Calcium carbonate does not dissolve in water. Explain why it slightly

dissolves in rain water.

Kalsium karbonat tidak larut dalam air. Terangkan mengapa ia larut

dalam air hujan.

………………………………………………………………………….

……………………………………………………………………………

[ 1 mark ]

TOTAL

P + Hydrochloric acid

Asid hidroklorik

Salt

garam

+ Q + Water

Air

6(b)(ii)

6(c)

7

.

SECTION B

[ 20 MARKS]

Answer all questions

Jawab semua soalan

Diagram 7.1 shows four substances P, , R and S

Rajah 7.1 menunjukkan empat bahan P, Q, R dan S.

Solid P Solid Q Liquid R

Pepejal P Pepejal Q Cecair R

Diagram 7.1

Rajah 7.1

Table 7.2 shows the density of each substances

Jadual 7.2 menunjukkan ketumpatan setiap bahan.

Substance

Bahan

Density

Ketumpatan

P 0.25 g/ cm 3

Q 2.70 g/ cm 3

R 0.80 g/ cm 3

S 13.6 g/ cm 3

Table 7.2

Jadual 7.2

a) State the observation whether the substance ‘float’ or ‘sink’ when the

substances is placed in water of density 1.0 g/ cm 3

Nyatakan pemerhatian sama ada bahan ‘ terapung’ atau

‘tenggelam’apabila dimasukkan ke dalam air yang ketumpatannya

1.0 g/ cm 3 .

P : ……………………………………………………………………..

Q: ……………………………………………………………………..

R: …………………………………………………………………….

S: ………………………………………………………………………

Liquid S

Cecair S

[ 4 marks ]

b) Classify the substances in 7(a) based on their relative density to water

Kelaskan bahan dalam 7(a) mengikut ketumpatan bandingan dengan air.

Relative density

Ketumpatan bandingan

Substance

Bahan

Denser than water

Lebih tumpat daripada air

Less dense than water

Kurang tumpat daripada air

[ 4 marks ]

Total

8. Diagram 8.1 shows two different liquid are boiled.

Rajah 8.1 menunjukkan dua cecair berlaian yang dididihkan.

Diagram 8.1

Rajah 8.1

(a) It is observed that water boils at 100 0 C while soup boils at 120

0 C.

Diperhatikan air mendidih pada suhu 100 0 C manakala sup mendidih pada 120

0 C.

(i) Based on the observation, state the difference in the hotness of the both liquid .

Berdasarkan pemerhatian, nyatakan perbezaan kestabilan bangku M dan bangku N.

………………………………………………………………………………………..

[ 1 mark]

(ii) State one inference based on the observation.

Nyatakan satu inferens berdasarkan pemerhatian.

…………………………………………………………………………………………

[ 1 mark]

(iii) State one hypothesis based on the observation

Nyatakan satu hipotesis berdasarkan pemerhatian

…………………………………………………………………………………………

[ 1 mark]

8(a)(i)

8(a)(ii)

8(a)(iii)

Water

Air Soup

Sup

(b) Diagram 8.2 shows an experiment set up by a group of students to study the effect

impurities on the boiling of water.

Rajah 8.2 menunjukkan satu eksperimen yang dipasang oleh sekumpulan pelajar

untuk mengkaji kesan bendasing ke atas takat didih air.

Thermometer reading

Bacaan termometer

Thermometer reading

Bacaan termometer

Diagram 8.2

Rajah 8.2

(i) Based on the observation when both liquid boil, record the thermometer reading in

table 8.3

Berdasarkan pemerhatian apabila kedua-duanya mendidih, rekodkan bacaan

termometer di dalam jadual 8.3

Type of water

Jenis air

Thermometer reading, 0 C

Bacaan thermometer, 0 C

Distilled water

Air suling

Salt water

Air garam

Table 8.3 [ 2 marks]

100

90

100

110

Retort stand

Kaki retort

Beaker

Bikar

Distilled water

Air suling

Thermometer

Termometer

Thermometer

Termometer

Retort stand

Kaki retort

Beaker

Bikar

Salt water

Air garam

8(b)(i)

(ii) State the variables involved in the experiment

Nyatakan pembolehubah yang terlibat di dalam eksperimen

Manipulated variables

Pembolehubah dimanipulasi

Responding variables

Pembolehubah bergerakbalas

[ 2 marks]

(iii) Based on table 8.3 , draw a bar chart of the temperature when water boils

Berdasarkan jadual 8.3, lukiskan carta bar suhu apabila air mendidih.

[ 2 marks ]

(c) Based on table 8.3, predict the temperature if salt water is replace with sea water.

Berdasarkan jadual 8.3, ramalkan suhu jika air garam digantikan dengan air laut.

…………………………………………………………………………………….

[ 1 mark]

Temperature, 0

C

Suhu, 0

C

Type of water

Jenis air

[2 marks]

Distilled water Water +salt

Air suling Air garam

8(b)(ii)

8(b)(iii)

8(c)

Distilled water Water salt

Air suling Air garam

20

40

60

80

100

120

(d) Based on the experiment, state the relationship between the presents of impurities in

water and its boiling point.

Berdasarkan eksperimen, nyatakan hubungan antara kehadiran bendasing dalam

air dengan takat didihnya.

………………………………………………………………………………………

[ 1 mark ]

(e) Based on experiment, define ‘impurities’ operationally.

Berdasarkan eksperimen, definisikan ‘ bendasing’, secara operasi.

…………………………………………………………………………………….

[ 1 mark ]

END OF QUESTION PAPER

8(d)

Total

8(e)

TOTAL