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1 Figure 1 shows the symbol for a chlorine atom

Cl1737

Figure 1

Which of the following is true based on the symbol in Figure 1?

Proton number Nucleon number Number of Electrons

A 17 37 17

B 17 20 17

C 20 37 20

D 37 17 37

2 Figure 2 shows the set-up of the apparatus to determine the empirical formula of a metal oxide.

Figure 2

Which of the following metal oxides is suitable to be used in Figure 2?A Zink oxideB Magnesium oxideC Aluminium oxideD Copper(II) oxide

3 Butane in cooking gas burns to release carbon dioxide. Both butane and carbon dioxide areA ionic compoundsB organic compoundsC covalent compoundsD hydrocarbon compounds

4 Which of the following substances is an electrolyte?A Pure ethanolB Molten naphthaleneC TetrachloromethaneD Dilute ethanoic acid

5 Which of the following is true of a weak acid?

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A Unable to neutralise alkali.B The pH value is more than 7.C Able to change red litmus paper to blue. D Ionizes partially in water to produce hydrogen ions.

6. Which of the following properties does not show that an alloy is better than its pure metal form?A HarderB StrongerC More ductileD More corrosion resistant

7 The equation below represents the reaction in the industrial preparation of ethanol.

CH2= CH2 + H2O CH3CH2OH Ethene steam ethanol

What is catalyst X?A PlatinumB Phosphoric acidC Aluminium oxideD Concentrated hydrochloric acid

8 Which statement is true of both methanol and ethanolA They have different functional groups. B All their physical properties are similarC All their chemical properties are differentD They can be represented by the same general formula.

9 Which of the following pairs of general and homologue series is correct?

General Formula Homologue series

A CnH2n Alkane

B CnH2n+ 2 Alkene

C CnH2n+ 1OH Alcohol

D CnH2n+ 1 COOH ester

10 A hydrocarbon is a chemical compound consisting ofA carbon and oxygen only. B carbon and hydrogen only. C carbon, hydrogen, and oxygen only.D hydrogen, oxygen, and nitrogen

11 Below is the half equation of a reaction.

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Catalyst X

300oC/ 60 atm

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What is meant by oxidation based on the reaction?A Electrons are received by bromineB Electrons are donated by bromine C Electrons are received by bromide ionsD Electrons are donated by bromide ions

12 Which of the following absorbs heat from the surrounding?A Adding acid to alkaliB Adding concentrated acid to waterC Dissolving ammonium chloride in waterD Dissolving anhydrous copper(II) sulphate in water

13. Psychiatric patients are always restless and normally experience difficulties in sleeping.Which medicine is suitable to treat these patients?A AspirinB CodeineC BarbiturateD Streptomycin

14 Figure 3 shows a model of an atom.

Which of the following is true of the atomic model?I Proposed by Neil Bohr. II Was built based on the existence of the neutron.III Shows that electrons move in shells around the nucleus.IV Discovered through the bombardment experiment of alpha particles on gold

foil.A I and III only B II and IV only C I, II, and III only D I, II, III, and IV

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2 Br- → Br2 + 2 e

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15 Figure 4 shows the set-up of apparatus in an experiment to determine the empirical formula of an oxide of lead.

Figure 4

Which of the following is not correct in the set-up of apparatus for this experiment?I No Bunsen burner II Fixing of the corkIII Position of the thistle funnelIV Position of the delivery tubeA I and III onlyB II and IV only C I, II, and III only D I, III, and IV only

16 What are the products of the reaction between ethanoic acid and sodium carbonate?I waterII Ethyl ethanoateIII carbon dioxideIV Sodium ethanoateA I and III onlyB II and IV onlyC I, II and III onlyD I, III and IV only

17 Which pair of the substance represented by the following formulae would result in a reaction?I HCl(aq) + KOH(aq)II HNO3(aq) + NaNO3(aq)III H2SO4(aq) + CuSO4(aq)IV CH3COOH(aq) + NaOH(aq)A I and IV onlyB II and III onlyC I, II and IV onlyD I, II, III and IV

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18 Which of the following can be used to determine rate of reaction?I Release of gas per unit timeII Change of colour intensity per unit timeIII Formation of precipitate per unit timeIV Increase in the mass of reactants per unit timeA I and II onlyB III and IV onlyC I, II and III onlyD I, III and IV only

19 Which of the following are oxidizing agents?I zincII bromine waterIII potassium iodide solution IV Acidified potassium manganate(VII) solutionA I and III onlyB II and IV onlyC I, II and III onlyD I, II and IV only

20 Figure 5 shows test tubes X and Y, used in to investigate the effects of magnesium and copper on the rusting of iron.

Figure 5

Which of the following are true of the experiment?I Phenolphthalein solution in both test-tubes is to detect the presence of

hydroxide ions.II The hot agar solution in both test-tubes is to ensure the presence of oxygen in

the mixture.III Potassium hexacyanoferrate(III) solution in test tube X is to detect the

corrosion of magnesium.IV Potassium hexacyanoferrate(III) solution in test tube Y is to detect the

presence of ferrum(II) ions.A I and IV only B II and III only C I, III, and IV only D I, II, III, and IV

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21 Figure 6 shows

Figure 6

Which of the following statements is true?A From 0 to t1 heat energy is absorbed.B From tl to t2 forces between particles are overcome. C From t2 to t3 the kinetic energy of particles increased.D From t3 to t4 the heat energy released is equal to the heat energy lost to the

surrounding

22. Sulphide and chloride ions have the same number of [Proton number: S, 16; Cl, 17]A chargeB. electrons C neutronsD protons

23 Element Y is below potassium in the same group in the Periodic Table.Determine the formula of the product and the reactivity of Y with chlorine compared to the reaction of potassium with chlorine.

Formula of the product Reactivity

A YC12 less reactive

B YC12 more reactive

C YC1 less reactive

D YC1 more reactive

24 Table 1 shows the melting points and types of particles of four substances.

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Solid substance Melting point/oC Type of particleG 80 MoleculesJ 320 IonsL 780 IonsM 3000 atoms

Table 1

Based on Table 1, which solid substance becomes an electrolyte when it is heated to a temperature of 350oC?A G B JC L D M

25 Figure 7 shows the set up of apparatus for the electrolysis of ferum(II) sulphate solution

What is formed at carbon electrode X?A FerrumB OxygenC Sulphur dioxideD Hydrogen gas

26 Which of the following shows the arrangement of atoms in an alloy?

A B

C D

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27 The equation below shows a reaction to produce hydrogen gas.2 HCl + Zn → ZnCl 2 + H2

Which of the following would increase the rate of production of hydrogen gas?A Increase the time of reaction.B Increase the volume of acid.C Increase the size of granulated zinc.D Increase the temperature of the mixture.

28 Below is an ionic equation.X(s) + Y2+(aq) → X2+(aq) + Y(s)

Which of the following is true of the equation?A Y2+ is oxidized.B X is an oxidizing agent.C X2+ is a reducing agent.D X donates electrons to Y2+.

29 Fe3+ ion in solution can be converted to Fe2+ ions by adding zinc powder. Which of the following can replace zinc powder in this reaction? A Bromine water B Potassium iodide solution C Potassium hexacynaferrate(II) solution D Acidified potassium manganate(VII) solution

30 Figure 8 shows an energy level diagram.Energy

OH-(aq) + H+(aq)

ΔH = -57 kJmol-1

H2O

Figure 8Based on Figure 8, it can be concluded that A the heat of neutralization is -57 kJmol-1. B 57 kJ of energy is needed for the reaction. C the products of reaction contain more energy than the reactants. D the temperature at the end of the reaction is lower than that at the beginning of

the reaction.

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31 Figure 9 shows the structure of a soap ion.

Figure 9Based on Figure 9, which of the following statements is true?A Parts X and Y are soluble in water. B Parts X and Y are soluble in grease. C Part X is soluble in grease and part Y is soluble in water. D Part X is soluble in water and part Y is soluble in grease.

32 Table 2 shows the proton number of elements P and Q.

Element proton number

P 3

Q 11Table 2

Which of the following statements are true of the elements in Table 2? I Q is more reactive than P. II The atomic size of Q is bigger than P.III Both elements P and Q can conduct electricity.IV P and Q are in the same group in the Periodic Table.A I and II only B I and IV only C II, III, and IV only D I, II, III, and IV

33 Table 3 shows the results of an experiment for three chemical cells.

Table 3

Which of the following can be deduced from Table 3? I The cell voltage is 1.6 V when P and Q are used as electrodes. II The cell voltage is 1.1 V when P and S are used as electrode. III Electrons flow from terminal Q to terminal S in the metal pair Q and S. IV P functions as a positive terminal when it is paired with Q, R, or S in a cell.A I and IV only B II and III only C I, II, and III only D I, II, III, and IV

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Chemical cell Metal pairsNegativeterminal

Cell voltage/V

X P and R R 1.9

Y R and S S 0.8

Z Q and R R 0.3

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34 The information about two solutions is as follows:

Concentration of barium hydroxide solution = 0.5 mol dm-3

Concentration of aqueous ammonia = 0.5 mol dm-3

Which of the following statements are true based on the information? I Aqueous ammonia is a weaker alkali than barium hydroxide solution.II The pH value of barium hydroxide solution higher than aqueous ammonia.III The degree of dissociation of barium hydroxide in water is higher than in

ammonia.IV The concentration of OH- ions in barium hydroxide solution is higher

than in aqueous ammonia.A I and III only B III and IV only C I, II, and III only D I, II, III, and IV

35 An equation of a reaction is as follows:

In the reaction represented by the equation above, it was found that the change of colour from green to brown was faster when the reactant mixture was heated.This was due to theI decrease in the activation energy. II increase in the frequency of effective collision.III Increase in the kinetic energy of ferrum(II) ions and chlorine molecules.IV Increase in the frequency of collision between ferrum(II) ions and chlorine

molecules.A I and II only B II and III only C I, III, and IV only D II, III, and IV only

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2 Fe2+ + Cl2 → 2 Fe3+ + 2 Cl-1

green brown

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36 Which of the following are isomers of butene?

I

II

III

IV

A I and III onlyB II and IV onlyC I, II, and III onlyD I, II, III, and IV

37 The equation below represents the reaction to extract aluminium from aluminium oxide.

2 Al2O3 → 4A1 + 3O

What is the mass of aluminium that can be extracted from 102 g of aluminium oxide?[Relative atomic mass: O, 16; Al, 27]A 13.5 gB 27.0 gC 54.0 g D 108.0 g

38 The equation above shows the action of heat on the carbonate salt of metal X.

XCO3 → XO + CO2

How many moles of XCO3 are needed to produce 4.0 g of oxide X?[Relative atomic mass: C, 12; O, 16; X, 64]A 0.03B 0.05C 0.08D 0.09

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39 In the Periodic Table, Y is below Z in the same group. If the proton number of atomZ is 12, what is the electron configuration for atom Y?A 2.8.2B 2.8.6C 2.8.8.2D 2.8.8.6

40 The electron configuration of atom E is 2.8.7 and atom G has four valence electrons. Whatis the formula of the compound formed between E and G?A GE2

B GE4

C G2ED G4E

41 Sulphuric acid used as an electrolyte in a car battery has a concentration of 0.5 mol dm-3.How many moles of sulphuric acid are there in 100 cm3?A 0.025B 0.05C 0.1D 0.5

42 Figure 10 shows the set-up of apparatus for the titration of potassium hydroxide solution with sulphuric acid.

Figure 10

What is the total volume of the mixture in the conical flask at the end point of the titration in Figure 10?A 10 cm3

B 20 cm3

C 30 cm3

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D 40 cm3

43 Stainless steel used to make surgical scalpels contains 71.5% ferrum, 18.0% chromium, 8.0% nickel, and 2.5% other elements.If the mass of a surgical scalpel is 60.0 g, what is the mass of ferrum in it?A 4.8 gB 10.8 gC 42.9 g D 71.5 g

44 Table 4 shows the total volume of gas collected at regular intervals in a reaction.

Time/s 0 30 60 90 120 150 180 210

Volume of gas /cm3 0 2.0 3.7 5.2 6.4 7.3 8.6 8.6Table 4

What is the average rate of reaction in the second minute?A 0.040 cm3 s-1 B 0.045 cm3 s-1 C 0.053 cm3 s-1 D 0.062 cm3 s-1

45 Which of the following hydrocarbons is most suitable to be used as cooking gas? [Relative atomic mass: H, 1; C, 12]A C3H6

B C4H8

C C4H10

D C6H6

46 Figure 11 shows an energy level diagram.

Energy J(s) + T2+(aq)

AH = -220 kJ mol-1

J2+(aq) + T(s)

Figure 11

Based on Figure 11, what is the increase in temperature of the solution if excess J powder is added to 50 cm3 of T salt solution 0.2 mol dm-3? [Specific heat capacity of solution: 4.0 J g-1oC-1]A 4.4°CB 5.5°CC 8.8°C D 11.0°C

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47 Which of the following quantities of substances contain 6 x 1022 molecules? [Relative atomic mass: H, 1; C, 12; O, 16; Avogadro's Constant: 6 x 1023 mol-1] I 1.8 g waterII 1.0 g hydrogen gasIII 3.2 g oxygen gasIV 4.4 g carbon dioxideA I and II onlyB III and IV only C I, III, and IV only D I, II, III, and IV

48 The equation below represents the decomposition of hydrogen peroxide solution.2 H2O2(aq) → 2 H2O(l) + O2(g)

Which of the following are produced when 1 mole of hydrogen peroxide is decomposed completely?[1 mole of gas occupies 24 dm3 at room condition; Avagadro's Constant: 6.0 x 1023mol-1]I 2 moles of waterII 12 dm3 of oxygen gas III 3 x 1023 of oxygen moleculesIV 1.2 x 10 of water moleculesA I and III onlyB I and IV onlyC II and III only D II and IV only

49 Figure 12 shows a set-up of apparatus to determine the heat of reaction.

Beginning of experiment End of experimentFigure 12

Based on Figure 12 which of the following statements are true?I The process of bonding occurs.II Temperature increases during the reaction.III The AH value in the reaction is positive.IV The energy content of the products of reaction is higher than that of the

reactants.A I and II only B III and IV only C I, II, and IV only D I, II, III, dan IV

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50 The equation below shows a displacement reaction and its heat of reaction.Mg + Fe2+ → Mg2+ + Fe AH = -189 kJ mol-1

Which of the following statements are true about the reaction represented by the above equation?I Magnesium is oxidized. II The reaction is exothermic.III The temperature decreases during the reaction.IV The heat released by reacting 0.2 mole of ferrum(II) ions is 37.8 kJ.A I and II only B II and IV only C III and IV only D I, II, and IV only

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