students copy module 4 chapter 5
TRANSCRIPT
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SCIENCE
FORM 4
MODULE 4
PPSMIPPSMIPPSMIPPSMIPPSMIPPSMIPPSMIPPSMIPPSMIPPSMIPPSMIPPSMIPPSMIPPSMIPPSMI
ENERGY AND CHEMICAL CHANGE
MINISTRY OF EDUCATION MALAYSIA
2
MODULE 4: ENERGY AND CHEMICAL CHANGE Arahan:
1. Modul ini mengandungi tiga puluh tiga soalan. Semua soalan adalah dalam bahasa Inggeris.
2. Modul merangkumi enam konstruk yang diuji
K1 - Memahami soalan dalam bahasa Inggeris K3 - Memahami istilah sains dalam bahasa Inggeris K5 - Menguasai konstruk pengetahuan K6 - Menguasai konstruk kefahaman K7 - Menguasai konstruk kemahiran K10 - Memahami pengajaran dan pembelajaran dalam bahasa Inggeris
3. Murid hendaklah menulis maklumat diri dalam kertas jawapan objektif disediakan. Murid juga perlu memastikan maklumat konstruk, nombor soalan dan jumlah soalan seperti yang dibaca oleh guru di dalam ruangan disediakan dalam kertas jawapan objektif sebelum ujian.
4. Bagi soalan objektif, anda perlu menandakan jawapan dengan menghitamkan
pilihan jawapan pada pilihan jawapan A , B , C atau D pada kertas jawapan objektif.
Contoh:
Antara berikut, yang manakah haiwan?
A. Pokok B. Kambing C. Kereta D. Pen
5. Untuk soalan subjektif, jawapan hendaklah ditulis pada kertas berasingan
yang disediakan oleh guru. 6. Bagi soalan 31 hingga 33, murid hendaklah mendengar arahan daripada guru.
7. Jawab semua soalan.
Modul ini mengandungi 17 halaman bercetak
D A B C E
3
1 Which of the following figure describe exothermic reaction? Before After Before After Before After 2 Electrodes are substance that are immerse into an electrolyte to allow electricity
to flow. Base on the figure shown, which part is electrodes? Electrolyte
Exothermic reaction, heat energy is released into the environment. Endothermic reaction, heat energy from the environment is absorbed during the reaction.
C
B
Carbon rod A D
A
A C B
27 °C 35 °C 27 °C
35 °C 27 °C 27 °C
4
3 Name the process which takes place?
A Distillation B Electrolysis C Evaporation D Neutralization
4 Figure shows the set up of apparatus for electrolysis. Which of the following is an anode?
Cathode Anode
+- -
+
Carbon rod A D
A
B
C
5
5 Which of the following uses the above set up of apparatus?
A Electrolysis B Simple cell C Purification D Electroplating
6 Which of the following is/ are the advantages of lead-acid accumulator?
I high current II rechargeable III electrolyte can spread easily
A II only B III only C I and II only D I and III only
Copper plate
V
Zinc plate
Electrolyte
6
7 Based from the graph above, name the process before after
A Exothermic B Endothermic C Physical change D Chemical change
8 Which of the following cell are used in car and motorcycles?
A Alkaline battery B Lead acid accumulator C Nickel-cadmium battery D Silver oxide-mercury battery
9 Which of the following devices use alkaline batteries?
I stopwatch II camera flashes III walkman
A I only B I and II only C II and III only D I and III only
Energy
Reactants
Products
∆ H = positive
Time
7
10 Which of the following metal is the most reactive metal?
A Lead B Sodium C Copper D Magnesium
11 Figure shows part of the arrangement of elements in reactivity series. More reactive Name the possible element for X.
A Aluminium B Cuprum C Stanum D Ferum
12 Which of the following chemical reaction involved light? I Carbon dioxide + water glucose + oxygen II Silver bromide Silver + Bromine III Sulphur + Oxygen Sulphur dioxide
A I and II only B I and III only C II and III only D I, II and III
Calcium
Sodium
Lead
X
Chlorophyll
8
13 Which of the following reaction is a method extraction pure Tin from Tin (IV) oxide?
A Heating Tin (IV) oxide in air B Electrolysis of the molten Tin (IV) oxide C Heating mixtures of Tin (IV) oxide carbon D Tin (IV) oxide react with hydrochloric acid
14 A physical change involves only a change in physical properties.
Base on the statement which of the following best describes physical change?
A Eggs harden when boil them B Candle wax melts into liquid C Heating magnesium strip D Burn papers
15 Chemical changes are to form a new substance and cannot be easily change
back. Which of the following is a chemical change?
A Formation of ice B Rusting of iron nails C Making knife from a piece of steel D Evaporation of water to water vapour
16 Burning of magnesium ribbon can cause chemical changes. Which of the following is true?
I Produce new substances II The product is reversible III The substances form with different chemical properties
A I and II only B II and III only C I and III only D I, II and III
9
17 Which of the substance is an ionic compound? A C B D 18 What is change when sugar is dissolved in water?
A Size of particle B Its physical properties C Its chemical properties D Its decreases the energy level
19 Tin is usually extracted from its ore by using carbon because
A tin is more reactive than carbon B carbon is more reactive than tin C tin is decompose during heating D carbon is very expensive
H2O
H2O
H2O
H2O
H2O H2O
water
Cl- Cl-
Cl-
Cl-
Na+
Na+
Na+
Na+
Sodium chloride C6H12O6
C6H12O6
C6H12O6
C6H12O6
C6H12O6
Glucose
Pb
Pb
Pb
Pb
Pb Pb
Pb
Pb Pb
Pb Pb
Pb
Pb
Pb
Pb Pb Pb Pb
Pb Pb
Lead
10
20
Base on the figure above, what is X and Y?
X Y A Anode Cathode
B Cathode Anode
C Anions Cations
D Cations Anions
11
21 Determine the graph that shows the reaction release heat. A B C D 22 Boiling water is physical changes. This is because
A water turns cloudy B energy is released C involve the charge in state of matter D it forms hydrogen and oxygen gas
Energy Energy
Energy Energy
Product
Product Reactant
Reactant
time time
time time
12
23 Figure shows a purification of silver. Which of the following represented by M and N?
M N A Pure silver metal Impure silver metal
B Impure silver metal Pure silver metal
C Pure silver metal Pure silver metal
D Impure silver metal Impure silver metal
24
Base on the figure given, what will happen to the voltmeter reading if the Copper (II) sulphate solution is replaced with sugar solution?
A zero B unchanged C less than 1.4V D more than 1.4V
A
N
M
13
25 The figure shows the electroplating of iron spoon with copper.
Which of the statement is true about the electroplating process? I the copper atom ionized to form copper ions at the anode II copper ion is discharged at cathode III the colour of electrolyte unchanged A I only B I and II only C II and III only D I, II and III
26 Which of the following reaction represent the above equation? A B C D
Metal + acid salt + Hydrogen gases
Sodium hydroxide +Hydrochloride acid Sodium dioxide + Hydrogen gases
Zinc + Hydrochloride acid Zinc chloride + Hydrogen gases
Sodium + water Sodium hydroxide + Hydrogen gases
Zinc + Copper (II) sulphate Zinc(II) sulphate + Hydrogen gases
14
27 Which of the statement is TRUE about the graph?
I The energy in the reactant is higher than products II The heat is released to the surrounding III The temperature is increases
A II only B I and II only C II and III only D I,II and III
28 Based on the above equation, why this reaction classify as exothermic reaction?
A Energy is released B Heat is not produced C The heat change, ∆H is negative D Does not involved in energy change
29 State the process that prevent sardine’s can from rusting
A Refining B Extraction C Purification D Electroplating
Energy
Time
Sodium + water
Sodium hydroxide + hydrogen
Nitrogen gases + Hydrogen gases Ammonia gases ∆H = negative
15
30 How do you help your family to reduce the cost of electrical energy?
A Iron the clothes when needed only. B Replace the bulb with fluorescent light C Open the windows while switching on the air-conditioner D Boil water using heater every time preparing a hot drink
Question 31 to 33 Listen to the teacher and follow the instructions given. Then, answer the question. 31 Name the type of reaction which releases heat to the surrounding?
A Exothermic B Electrolysis C Endothermic D Electroplating
32
Which metal is the most reactive?
A Sodium B Calcium C Magnesium
16
33
Which of the following process is used to extract aluminium from its ores?
A Electroplating B Refining C Electrlysis
16 17
18
19
20
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
21 22
23
24
25
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
26 27
28
29
30
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
Tahun/ Tingkatan : 4 Mata Pelajaran: SAINS
GUNAKAN PENSIL 2B ATAU BB SAHAJA. TENTUKAN TIAP-TIAP TANDA ITU HITAM DAN MEMENUHI KESELURUHAN RUANG. PADAMKAN HINGGA HABIS MANA-MANA TANDA YANG ANDA UBAH
SILA HITAMKAN JAWAPAN DI BAWAH MENGIKUT HURUF JAWAPAN YANG ANDA PILIH
KEMENTERIAN PELAJARAN MALAYSIAKERTAS JAWAPAN OBJEKTIF
Ujian Diagnostik
5152
53
54
55
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
5657
58
59
60
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
4647
48
49
50
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
4142
43
44
45
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
31 32
33
34
35
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
36 37
38
39
40
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
1 2
3
4
5
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
6 7
8
9
10
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
11 12
13
14
15
A B C D E
A B C D E
A B C D E
A B C D E
A B C D E
Konstruk No. Soalan Jumlah Soalan
Bilangan Soalan Gagal Dijawab
Kegunaan Guru
K1
K3
K5
K6
K7
K10
1-2
3-5
6,8-13
7,14-23
24-30
31-33
2
3
7
11
7
3
1
9
2
3
10
4
5
6
7
8
Nama Pelajar:
Nama Sekolah: Modul: 4