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7/29/2019 Modul Pecutan Set 1
1/29
SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
MODULE 1 (CHAPTER 1 5 )
1
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
OBJECTIVE QUESTION.
1. Diagram 1 shows a diagram of a neurone.
Rajah 1 menunjukkan rajah satu neuron.
What is X?
Apakah X?
A Axon C. Dendrite
Akson Dendrit
B Dendron D. Cell Body
Dendron Badan sel
2. Diagram 2 shows a nervous pathway.
Rajah 2 menunjukkan satu laluan saraf.
Which of the following actions is involved in the above nervous pathway ?
Antara tindakan berikut yang manakah terlibatkan dengan laluan saraf di atas?
A Dancing C. Knee jerk
Menari Sentakan lutut
B Reading D. Heartbeat
Membaca Denyutan jantung
2
Saraf tunjang
Neuron motor
Neuron deria
Reseptor
Efektor
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BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
3. Diagram 3 shows one of the receptor found in the human body.
Rajah 3 menunjukkan satu daripada reseptor yang terdapat dalam badan manusia.
DIAGRAM 3
RAJAH 3
In which of the following parts can this receptor be found?
Antara bahagian berikut, di manakah reseptor ini boleh didapati?
A Muscle C. Nose
Otot Hidung
B Skin D. Eye
Kulit Mata
4. Diagram shows the structure of a human brain. Which part of the brain controls body
balance?
Rajah menunjukkan struktur bagi otak manusia. Manakah bahagian pada otak
tersebut yang mengawal keseimbangan badan?
3
Reseptor regang
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BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
5. The diagram shows the endocrine glands.
Rajah menunjukkan kelenjar endokrin.
Which of the glands labelled as A, B, C or D is the thyroid gland?
Kelenjar yang berlabel A,B,C dan D ,yang manakah adalah kelenjar tiroid?
6. Which of the following will result the formation of identical twins?
Yang manakah antara berikut akan menghasilkan pembentukan kembar seiras?
C
D
B
4
A
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Tall pea Tall pea
SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
7. Diagram shows the inheritance of height in pea plants
Rajah menunjukkan pewarisan ketinggian pokok kacang pea.
Diagram 4
Rajah 4
Which offspring has a correct pair of genes?
Pasangan gen yang manakah benar bagi anak?
Offspring/Anak Pair of Genes/ Pasangan
genA P TtB Q TTC R TTD S tt
5
Tt
t
T
T
t
Tt
SRQP
Parent
Gamete
Offspring
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
8. Which of the following A, B, C or D represents the process of sublimation?
Antara A,B,C and D yang manakah mewakili proses pemejalwapan?
9. Diagram 5, shows the structures of atoms P and Q.
Rajah 5 menunjukkan struktur atom P dan Q
P Q
Diagram 5
Rajah 5
What is the similarity between atoms P and Q?
Apakah persamaan antara atom P dan Q?
A The number of neutrons
Bilangan neutron
B The nucleon number
Bilangan nukleon
C The proton number
Bilangan proton
D The subatomic particles number
Bilangan zarah subatom
6
KeysElectronProtonNeutron
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
10. A certain substance has a melting point of 5 C and a boiling point of 110 C. What is
its physical state at room temperature?
Satu bahan mempunyai takat lebur 5 C dan takat didih 110 C. Apakah keadaan
fizikal bahan itu pada suhu bilik?
A. Solid
Pepejal
B. Liquid
Cecair
C. Gas
Gas
D. Semi solid
Separa pepejal
11 . Diagram 6 shows a simple cell.
Rajah 6 menunjukkan sebuah sel ringkas.
DIAGRAM 6
RAJAH 6The sequence of energy conversion is
Susunan perubahan tenaga ialah
A electrical energy chemical energy heat energy light energy
tenaga elektrik tenaga kimia tenaga haba tenaga cahaya
7
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
B chemical energy electrical energy heat energy light energy
tenaga kimia tenaga elektrik tenaga haba tenaga
cahaya
C electrical energy chemical energy light energy heat energy
tenaga elektrik tenaga kimia tenaga cahaya tenaga haba
D chemical energy electrical energy light energy heat energy
tenaga kimia tenaga elektrik tenaga cahaya tenaga haba
12. Which of the following is an example of a endothermic reaction?
Antara berikut yang manakah contoh tindakbalas endotermik?
A Haber process
Proses Haber
B Acid reacts with alkali
Asid bertindakbalas dengan alkali
C Ammonium salt dissolve in water
Garam ammonium dilarutkan dalam air
D Sodium hydroxide crystals dissolve in water
Hablur natrium hidroksida larut dalam air
13. Based on the periodic table, which element represents an inert gas?
Berdasarkan Jadual Berkala, unsur yang manakah mewakili gas nadir?
8
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
14. Table 1 shows the observations of metals P,Q and R when heated.
Jadual 1 menunjukkan pemerhatian ke atas logam P,Q dan R apabila dipanaskan.
Metals
Logam
Observation
Pemerhatian
P
Burn with shiny white flame
Terbakar dengan nyalaan putih yang terang
Q
A bright flame spreads slowly
Nyalaan terang terserak perlahan
R
A glow spreads slowly
Berbara secara perlahan
TABLE 1
JADUAL 1
Which is the following is the correct arrangement of the reactivity of metals P, Q and
R in increasing order.
Antara berikut yang manakah susunan yang betul tentang kereaktifan logam P,Qdan R secara menaik.
A. P , Q , R
B. R, Q , P
C. Q, R, P
D. P, R , Q
15. The following information shows the characteristics and uses of material Y?
Maklumat berikut menunjukkan cirri-ciri dan kegunaan bahan Y?
What is material Y?
9
Light weight. Ringan
Shiny surface.Permukaan yang berkilat
Used as food wrapper.Digunakan sebagai pembungkus
makanan
Good heat conductor. Konduktor haba yang baik
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
Apakah bahan Y?
A. Zinc C. Carbon
Zink Karbon
B. Plastic D. Aluminium
Plastik Aluminium
16.The figure shows the set-up of an experiment which is place in sun light for six
hours.
Rajah menunjukkan susunan radas bagi satu eksperimen yang diletakkan di bawah
cahaya matahari selama 6 jam
What is gas R?
Apakah gas R?
A. Oxygen C. Hydrogen
Oksigen Hidrogen
B. Nitrogen D. Carbon Dioxide
Nitrogen Karbon Dioksida
17. The diagram shows the position of metal X in the reactivity series of metal
Rajah menunjukkan kedudukan logam X di dalam siri kereaktifan logam
Metal X Reactivity
increase
Carbon
Copper
10
Sunlight
Gas R
Water
Sea weed
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
What is metal X ?
Apakah logam X
A. Zinc C. Lead
Zink Plumbum
B. Iron D. Magnesium
Besi Magnesium
18. The diagram shows a chemical reaction.
Rajah menunjukkan Tindakbalas kimia.
What is the gas released?
Apakah gas yang dibebaskan.
A. Nitrogen Dioxide C. Hydrogen
Nitrogen Dioksida Hidrogen
B. Carbon dioxide D. OxygenKarbon Dioksida Oksigen
19. The diagram shows an electroplating of an iron ring.
Rajah menunjukkan proses penyaduran cincin besi.
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
What is solution X?
Apakah larutan X?
A. Aluminian nitrate
B. Copper(II) sulphate
C. Nickel-cadmium battery
D. Iron (II) sulphate
20. The diagram shows an experiment to study the heat change in a chemical
reaction.
Rajah menunjukkan satu eksperimen untuk mengkaji perubahan haba
di dalam satu tindak balas kimia
What
type of
reaction is involved?
Apakah jenis tindakbalas yang terlibat?
A. Exothermic
eksotermik
B. Endothermic
endotermik
C. Neutralization
12
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BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
peneutralan
D. Decomposition
penguraian
PAPER 2
SECTION A
1. Table 1 shows the result of an experiment to show the reaction between 3.0 g zinc
with 100 cm 3 dilute hydrochloric acid.
Jadual 1 menunjukkan keputusan eksperimen hasil tindak balas antara 3.0 logam
zink
dengan 100 cm 3 asid hidroklorik cair.
Time/minutes
Masa/minit0 1 2 3 4 5 6
Volume of gas/ cm3
Isipadu gas / cm30 27 46 57 64 67 67
TABLE 1
JADUAL 1
(a) State the hypothesis for this experiment.
Nyatakan hipotesis dalam eksperimen di atas.
.......................................................................................................................
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
[1 mark]
(b) Plot a graph of gas volume against time based on Table 1
Lukiskan graf isipadu gas melawan masa berdasarkan Jadual 1 [2 marks]
14
10
20
30
40
50
60
70
Volume of
gas (cm3)
Isipadu
gas (cm 3)
0 1 2 3 4 5 6 7 8
Time (minutes) /Masa (minit)
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BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
(c) Based on the graph that you have plotted, determine the volume of the gas
released at 2 minute.
Berdasarkan graf anda, tentukan isipadu gas yang terbebas pada masa 2
minit.
........................................................................................................................
[1 mark]
(d) Predict the volume of gas released at 7 minutes.
Ramalkan isipadu gas yang terbebas pada minit ke 7.
........................................................................................................................
[1 mark]
2. Diagram 1 shows an experiment to study the changes in the states of matter when it
is heated.
Rajah 1 menunjukkan eksperimen untuk mengkaji perubahan keadaan jirim apabila
dipanaskan.
15
beaker
ais
thermometer
Ice before heating
Ais sebelum dipanaskanIce after heating
Ais selepas dipanaskan
thermometer
termometer
ice
Bunsen bunner
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
The result of the experiment is shown in Table 1.
Keputusan eksperimen ditunjukkan dalam Jadual 1.
Time / minnute
Masa / minit
Temperature / 0C
Suhu /0C
0 05 0
10 3615 68
20 100
25 100
(a) Write one observation based on Diagram 1.
Tuliskan satupemerhatianberdasarkan Rajah 1.
...........................................................................................................................
[1 mark]
(b) Based on Table 1, draw a graph of temperature against time.
Berdasarkan Jadual 1, lukiskan graf suhu melawan masa. (2marks)
16
60
80
100
Suhu / 0 C
Diagram 1
Rajah 1
Table 1
Jadual 1
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
0 5 10 15 20 25 30
(c) Base on the graph in (b), determine the state of matter at 76oC.
Berdasarkan graf di (b) , tentukan keadaan jirim pada suhu 76oC.
...........................................................................................................................
[1 mark]
(d) What is the conclusion from this experiment ?
Apakah kesimpulan daripada ekperimen ini?
...........................................................................................................................
[1 mark]
SECTION B
3. Diagram 6 shows the schematic diagram for the inheritance of hair types.
(Rajah 6 menunjukkan rajah skema bagi pewarisan jenis rambut .)
17
20
40
Masa / m
Straight hair
(Rambut lurus)
Father
(Bapa)Mother
(Ibu)
Curly hair
(Rambut kerinting)
Children
(Anak)
HH hh
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BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
(a) Name the type of variation shown in Diagram 6.
(Namakan jenis variasi yang ditunjukkan dalam Rajah 6)
.
[1 mark]
(b) State another example of the same type of variation mentioned in (a).
(Nyatakan satu contoh lain bagi jenis variasi seperti yang dinyatakan di (a).
[1 mark]
(c) What factor influences the above variation?.
(Apakah faktor yang mempengaruhi variasi di atas?)
...........................................................................................................................
[1 mark]
(d) Write down each childs genotype in the boxes provided in Diagram 6.
(Tuliskan genotip bagi setiap anak dalam kotak yang disediakan dalam
Rajah 6)
18
DIAGRAM 6
(RAJAH 6)
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BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
[2 marks]
(e) Based on Diagram 6, which type of hair is dominant?
(Berdasarkan Rajah 6, jenis rambut yang manakah dominan?)
.
[1 mark]
4. Diagram 7 shows a cross section of human brain.
(Rajah 7 menunjukkan keratan rentas otak manusia )
DIAGRAM 7
(a) Based on Diagram 7, name the structures labelled A and B.
(Berdasarkan kepada Rajah 7, namakan struktur berlabelA dan B)
19
A
B
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
A.
B
[2 marks]
(b) State one function of structure A .
( Nyatakan satu fungsi strukturA.)
.
[1 mark]
(c) State two effects of drug abuse on the brain.
( Nyatakan dua kesan penyalahgunaan dadah terhadap otak)
1.
2
[2
marks]
(d) What will happen if structure B is injured?
(Apakah kesan jika bahagian B tercedera?)
[1 mark]
SECTION C
1. Study the following statement ;
Kaji pernyataan berikut;
(a) Suggest one hypothesis to investigate the above statement.
Cadangkan satuhipotesis untuk menyiasat pernyataan di atas.
[1 mark]
(b) Using the magnesium powder, aluminium powder, zinc powder, dilute
hydrocloric acid, plasic basin, test tube and other apparatus, describe an
experiment to test your hypothesis in (a) based on the following criteria :
20
Different metals show different reactivity when react with dilute acid.Logam-logam menunjukkan kereaktifan yang berlainan apabila bertindak balas dengan asid
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
Dengan menggunakan serbuk magnesium , serbuk aluminium , serbuk zink ,
asid hidroklorik cair , besen plastik, tabung uji dan radas-radas lain, huraikan
satu eksperimen untuk menguji hipotesis di (a) berpandukan kriteria berikut:
(i) Aim of the experiment
Tujuan eksperimen [1 mark]
(ii) Identification of variables
Mengenalpasti pembolehubah [2 marks]
(iii) List of apparatus and materials
Senarai radas [1 mark]
(iv) Procedure
Prosedur [4 marks]
(v) Tabulation of data
Penjadualan data
[1 mark]
2. There are two types of variation, continuous variation and discontinuous
variation.
Terdapat dua jenis variasi, variasi selanjar dan variasi tak selanjar
(a) Give four differences between continuous variation and discontinuous
variation.
Berikan empat perbezaan antara variasi selanjar dan variasi tak selanjar
[4 marks]
(b) Diagram 11 shows various characteristics of human being.
(Rajah 11 menunjukkan ciri-ciri berbeza yang terdapat pada manusia)
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
Study the above characteristics. Explain how you would develop a concept based
on the information in Diagram 11
Kaji ciri-ciri di atas. Terangkan bagaimana anda membina satu konsep
berdasarkan maklumat dalam Rajah 11
Your explanation of the concept should include the following:
Penerangan anda tentang konsep itu hendaklah berdasarkan kepada perkara
berikut:
Identify two common characteristics
( Kenalpasti dua ciri sepunya)
[2 marks]
Develop initial concept
(Bina konsep awal) [ 1 mark]
Give another example and a non-example in relation to the concept
(Berikan satucontoh lain dan satubukan contoh berkaitan dengan konsep
tersebut)
[2 marks]
State the actual concept(Nyatakan konsep sebenar) (1 mark)
3. (a) State three methods of purification. Describe one of these methods.
(Nyatakan tiga kaedah penulenan. Terangkan satu daripada kaedah tersebut)
22
Variation(Variasi)
Ability to roll tongue
(Kebolehan menggulung
lidah)
Blood group
(Kumpulandarah)
Type of earlobe(Jenis cuping telinga)
Presence of dimples(Kehadiran lesung pipit)
DIAGRAM 11
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BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
[ 4 marks]
(b) A student finds that the distilled water he kept in a beaker has accidentally put
some salt and dissolve to form salt solution. Explain how to obtain pure waterfrom the salt solution. Your explanation should include the following :
(Seorang pelajar mendapati air suling yang dia simpan dalam bikar secara tak
sengaja telah terletak dengan garam dan melarut membentuk larutan garam.
Terangkan bagaimana untuk mendapatkan air tulin dari larutan garam tersebut.
Penerangan anda mestilah mengandungi perkara berikut:)
Problem statement
(Penyataan masalah)
Name of the method used
(Nama kaedah yang digunakan))
Steps of the method used
(Langkah-langkah yang perlu dilakukan dalam kaedah itu) [ 6 marks ]
SKEMA MODULE 1(CHAPTER 1 5 )
1. C 5. B 9. B 13. D 17. A
2. C 6. D 10. B 14. B 18. C
3. A 7. D 11. D 15. D 19. D
4. C 8. D 12. C 16. A 20. A
SECTION A.
1.(a) The longer the time of reaction, the bigger the volume of the gas released1 m
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BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
(b) Point transfer (5 to 6 points correct)1 m
Smooth graph, smooth slope1 m(c) 52cm 3 / 53 cm3
1 m
(d) 67 cm31 m
Total5 m
2. (a) Before it is heated/at the lower temperature ice is in solid condition//after it isheated/at the higher temperature, ice melt.(Sebelum dipanaskan/pada suhurendah ais dalam keadaan pepejal//selepas dipanaskan/pada suhu tinggi, aismelebur/menjadi air)
1 m(b)
5 10 15 20 25 30
0 5 10 15 20 25 30
All point transfer correctly (Betul semua titik) 1mSmooth graph ( Graf licin ) 1m
2m(c) Liquid (Cecair)1m(d) The matter change from solid to liquid and gas when it is heated in a longer period of time Jirim berubah keadaan daripada pepejal ke cecair dan gas apabila lama
dipanaskan 1m
SECTION B.
24
20
40
60
100
80
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
3. a) Discontinuous variation1 m
(Variasi tak selanjar)(b) Type of earlobe// ability to roll tongue//blood group1 m
(Jenis cuping telinga//kebolehan menggulung lidah//kumpulan darah)
Accept any suitable answer(c) Genetic factor(Faktor genetik)1 m
(d)2 m
(e) Curly hair (Rambut kerinting)1 m
Total6 m
4.(a)A : Cerebrum1 m
B : Cerebellum1 m(b) Control the voluntary action//control speech/hearing/vision1 m(c) Brain damage/depression/hallucination/stay awake or active/decrease stress/
Slow down the reaction time/lost sense of smell/vision/becomes intellectuallyincapable(any two suitable answers) 2 m
(d) Cannot maintain posture and body balance 1 m
Total 6 m
SECTION C
1.(a) Hypothesis :The more reactive the metal, the more vigourous its reaction with acidSemakin reaktif sesuatu logam, semakin cergas tindak balas dengan asid
1m
(b) (i) Aim : To study the reactivity of metal with dilute hydrocloric acidTujuan : Mengkaji kecergasan tindak balas logam dengan asidhidroklorik cair
1 m(ii) Manipulated variable (Pembolehubah dimanipulasikan ) :
-The type of metal( Jenis logam)Responding variable (Pembolehubah bergerak balas ) :-Vigourousness of reaction(Kecergasan tindak balas )
25
Hh Hh Hh Hh
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BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
Constant variable :- The type of acid//concentration of acid//the weight of metal
Pembolehubah dimalarkan : Jenis asid // kepekatan asid // beratlogam
(Any 2 correct answers)
(iii) The list of apparatus (Senarai radas)Magnesium powder, aluminium powder, zinc powder, dilute hydrocloricacid, plastic basin, delivery tube with the rubber stopper and water
(Serbuk magnesium , serbuk aluminium , serbuk zink asid hidroklorikcair ,besen plastik, tabung uji, salur penghantar dengan penyumbatgabus dan air) 1markah
(iv) 1. Hydrocloric acid is put in a test tube (Asid hidroklorik cair diisikan kedalam tabung uji)
2. Magnesium powder is add in the test tube(Serbuk magnesium dimasukkan ke dalam tabung uji)
3. The test tube is covered with a rubber stopper at a delivery tube(Mulut tabung uji ditutup dengan penyumbat gabus pada salur
penghantar)4. The gas is collected in the test tube which up side down in a basin //
Diagram(Kumpulkan gas dalam tabung uji yang ditelangkupkan dalam besinberisi air)
// gambarajah5. The vigourouness of gas produced is recorded
(Kecergasan pembebasan gas dicatatkan)
6. Repeat the experiment with the aluminium powder and zinc powder(Ulangi eksperimen dengan serbuk aluminium dan serbuk zink)
(Any 4 correct answers) 1 m
(iv) Tabulation of data (Penjadualan data) (1mark)
26
Dilute
Hydrocloric
acid Metal
powder
plasticbasin
water
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
Metal(Logam)
The vigourouness of reaction withacid(Kecergasan tindak balas denganasid)
Magnesium
Aluminium
Zink
2.(a)
Continuous variation Discontinuous variation
Does not show obvious differences incharacteristics / Tidak menunjukkanperbezaan sifat tidak jelas
Shows obvious differences incharacteristics / Menunjukkanperbezaan sifat yang jelas
Influenced by environmental factors /Dipengaruhi oleh faktor persekitaran
Influenced by genetic factors /Dipengaruhi oleh faktor genetik
Not inherited / Tidak diwarisi Inherited / Diwarisi
Form a normal distribution graph /
Membentuk graf taburan normal
Does not form a normal distribution
graph/ Tidak membentuk graftaburan normal
4 m(b)
Two common characteristics:
Shows obvious differences in characteristics 1m (Menunjukkan perbezaan sifat yang jelas)
Influenced by genetic factors 1m(Dipengaruhi oleh faktor genetik)
Initial concept:
Variation that shows obvious differences in characteristics and influenced bygenetic factors is discontinuous variation. 1m(Variasi yang menunjukkan perbezaan sifat yang jelas dan dipengaruhi olehfaktor genetik ialah variasi tak selanjar)
Another example : Fingerprint // type of hair(cap jari//jenis rambut) 1m
Non-example : Height // weight (Berat badan//ketinggian) 1m
Actual concept:A discontinuous variation is a variation that shows obvious differences incharacteristics and is influenced by genetic factors. 1m
(Variasi tak selanjar ialah variasi yang menunjukkan perbezaan sifat yang
jelas dan dipengaruhi oleh faktor genetik)Total 10 m
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL
3. (a) Methods of purification
(i) Filtration (Penurasan)(ii) Crystallisation (Penghabluran)(iii) Distillation (Penyulingan) 3m
- Filtration is a process of separation solid from liquid(Penurasan ialah proses pengasingan pepejal daripada cecair)
- Crystallisation is the process of forming crystals from a liquid or gas(Penghabluran ialah proses pembentukan hablur daripada cecair atau gas)
- Distillation is a process to obtain a pure liquid from a solution of liquid mixture(Penyulingan ialah proses menghasilkan cecair tulen daripada larutanbercampur)
Any one correct answer 1 m
(a) Problem statement : The salt dissolve in the water (to form salt solution). 1m
Name of the method used : Distillation 1m
Steps of the method used- Salt solution is heated- The required solution boils and turns into vapour- The thermometer measures the temperature of the vapour- The vapour is then cooled in the condenser- When the vapour cools down, it condences into pure liquid
Any 4 correct answer 4 m
Total 10 m
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SEKOLAH-SEKOLAH MENENGAH VOKASIONAL
BAHAGIAN PENDIDIKAN TEKNIK DAN VOKASIONAL