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LATIHAN MASA CUTI CHEMISTRY FORM 5

1 Which of the following processes, proved the kinetic theory of matter?

A

B

C

D

DiffusionPhotosynthesis

RespirationNeutralization

2 Which of the following is a chemical formula of ammonium sulphate?

A

B

C

D

NH4SO4(NH4)2SO4

(NH3)2SO4(NH4)3(SO4)2

3 Elements in the Periodic Table are arranged according to an increase in

A

B

C

D

proton numbernucleon number

relative atomic massrelative molecular mass

4 Which of the following substances is a covalent compound?

A

B

C

D

Copper

AmmoniaLead(II) oxide

Sodium chloride

5 Which of the following substances is an electrolyte?

A

B

C

D

Hydrogen chloride in methyl benzene

Molten aluminium oxideGlucose solution

Copper(II) carbonate powder

6 Which of the following statements is true about alkali?

A

B

C

D

Weak alkali is an alkali that undergoes high rate of ionization.Strong alkali has low pH value

Alkalis are bases that are soluble in water.

Alkalis are not corrosive7 Which of the following is a soluble salt?

A

B

C

D

Lead(II) iodideCopper(II) carbonate

Barium sulphateSodium hypochlorite

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8 The body of the car shown in the diagram below is made of alloy T.

What is alloy T?

A

B

C

D

Steel

BrassBronze

Duralumin

9 Which of the following statements correctly explains the meaning of effective collision?

A

B

C

D

The collision which takes place before reaction.

The collision where its energy is less than the activation energy.The collision that can causes reaction.

The collision that has the highest energy.

10 Which of the following processes occurs when ice changes to water ?

A

B

C

D

Endothermic

ExothermicNeutralization

Freezing

11 The diagram below shows the molecular formula of glucose.

What is the empirical formula for glucose?

A

B

C

D

CH2O

CH2O2C2H4O2

C6H12O6

12

Which of the following is the atomic structure of lithium atom, ?

A B

3p 3p

Alloy T

C6H12O6

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C D

13 The figure shows three elements in Period 3 of the Periodic Table.

X Y Z

Which of the following is true about the properties of oxide formed?

AB

C

D

The oxide ofZ

is basicThe oxide ofYis acidicThe formula of oxide Yis YO

The oxide ofXreacts with an acid to form salt and water

14 Which of the following substances is made up of ions?

A

B

C

D

Sulphur

NaphthaleneSulphur trioxide

Potassium chloride

15 Which of the following ions are present in copper(II) sulphate solution?

A

B

C

D

Hydrogen ions and hydroxide ions

Copper(II) ions and sulphate ionsCopper(II) ions ,hydrogen ions, suphide ions and oxide ions

Copper(II) ions, hydrogen ions, sulphate ions and hydroxide ions

16 Dry hydrogen chloride gas is passed through methyl benzene for a few minutes. Whichof the following statements is true about the liquid produced?

I

IIIII

IV

A

B

C

D

it has a pH value of less than 7

it consists of hydrogen chloride moleculesit changes blue litmus to red

it does not conduct electric current

I and III onlyII and IV only

I, II and III onlyIV only

4p 4p

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17 Nitric acid will change to nitrate salt when hydrogen ions are replaced by

III

IIIIV

A

B

C

D

copper ionhydroxide ion

carbonate ionammonium ion

I and II only

I and IV onlyII and IV only

I, III and IV only

18 The graph shows the volume of carbon dioxide gas produced against time for the

reaction of calcium carbonate and sulphuric acid.

The gradient of the graph decreases with time because

A

B

C

D

catalyst is not usedvolume of mixture decreases

temperature of reaction decreasesconcentration of sulphuric acid decreases

19 The reaction between nitrogen and oxygen can be represented by the following equation:

N2 (g) + O2(g) p 2NO(g) (H = +181 kJ

Which of the following energy level diagrams represent the above reaction?

A B

Volume of CO2

gas / cm

3

Time / second

Energy

N2 (g) + O2(g)

2NO(g)

(H = +181 kJ

Energy

2NO(g)

N2 (g) + O2(g)

(H = +181 kJ

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C D

20 The figure shows the arrangement of particles of a substance that undergoes the changeof state through process X

What is process X ?

A

B

C

D

MeltingBoiling

FreezingSublimation

21 The equation below shows the reaction between sulphuric acid and sodium hydroxidesolution.

H2SO4 + 2KOH K2SO4 + 2H2O

What is the number of moles of sodium sulphate salt produced if 0.2 mol of sodium

hydroxide is used?

A

B

C

D

0.10 mol0.05 mol

0.22 mol0.25 mol

22 The table shows the electron arrangements of atoms of four elements.

Which of the following is the correct arrangement of the elements according toincreasing order of electronegativity?

Element F Al Cl K

Electron

arrangement 2.7 2.8.3 2.8.7 2.8.8.1

A

B

C

D

F, Al, Cl, K

F, Cl, Al, KK, Cl, Al, F

K, Al, Cl, F

2NO(g)

Energy

N2 (g) + O2(g)

2NO(g)

(H = +181 kJ

Energy

N2 (g) + O2(g)

(H = +1 1 k

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23 The number of valence electrons of atoms X and Y are 2 and 7 respectively.

Which of the following chemical formulae and types of bonding are true for thecompound formed between X and Y?

Chemical Formula Type of Bonding

A XY2 ionic

B XY2 covalentC X2Y ionic

D X2Y covalent

24 The diagram below shows the set-up of the apparatus for electrolysis of concentrated

solution of sodium chloride

What is the product formed at the anode and cathode?

Anode CathodeA O2 H2B Cl2 H2

C Cl2 NaD O2 Cl2

25 The diagram below shows 5 steps for preparing a standard solution of sodium hydroxide,

NaOH but not in correct order.

Which of the following steps is correct?

A

B

C

D

Q, S, P, R, T

R, Q, S, P, TQ, P, S, R, T

R, Q, S, T, P

P- Transfer the solid sodium hydroxide into volume into the volumetric flask.

Q- Weigh the mass of sodium hydroxideR- Add distilled water until the graduation mark.

S- Rinse the weighing bottle and pour the solution into the volumetric flask.T- Shake the volumetric flask.

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26 The diagram below shows the test tubes containing lead(II) nitrate solution and

potassium carbonate solution but without a label. Which of the following solutions canbe used to distinguish both solutions?

III

IIIIV

A

B

C

D

Sodium nitrateSodium iodide

Dilute nitric acidPotassium sulphate

I and II onlyII and IV only

II, III and IV onlyI, II, III and IV

27

A group of students carried out an experiment to determine the rate of reaction of zinc

metal with dilute hydrochloric acid. The diagram above shows the graph for the totalvolume of gas collected against time. The average rate of reaction for the whole

experiment is :

A

B

C

D

0.3 cm3/s

0.25 cm3/s

0.17 cm3/s

0.13 cm3/s

Lead(II) nitrate

solution

Potassium carbonate

solution

0 60 120 180 240 300 time / s

Volume of H2 gas / cm3

40

3630

2018

10

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28 The diagram below shows the changes of the sulphur in Contact Process.

S SO2 SO3 H2S2O7

Which of the following are the correct changes in the oxidation state of sulphur?

A

B

C

D

0 +4 +6 +6

0 +4 +6 +71 +3 +6 +8

1 +4 +6 +6

29 The following equation shows the formation of water

H2(g) + O2(g) H2O(l) , H = 287 kJmol

Which of the following is true regarding the above equation?

A

B

C

D

Activation energy for the reaction is high

If 1 mole of oxygen reacts 574 kJ of heat energy is absorbedCombustion of 1 mole of hydrogen releases 287 kJ of heat energy

1 mole of water that is formed in the reaction received 287 kJ heat energy

30 Which of the following isotopes is used to detect leakage in a gas pipe.

.

A

B

C

D

Carbon 14

Cobalt 60Sodium 24

Iodine - 131

31 34 g of ammonia consists of

[Relative molecular mass of ammonia = 17, Avogadro constant = 6.02 x 1023

mol-1

]I

IIIII

IV

A

B

C

D

2 mole of nitrogen atoms

2 mole of ammonia molecules1.204 X 10

24molecules

5 mole of hidrogen atomsI and II only

I, II and III onlyII, III and Iv only

I, II, III and IV only

32 Profesional cyclists usually fill their bicycle tyres with gas X which makes the bicycle

lighter.

Which of the following elements X, Y, W and Z in the Periodic Table is suitable to beused in bicycle tyres?

X

Y WZ

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A

B

C

D

X

YW

Z

33 The diagram below shows the symbols of atoms D and E

Atom D reacts with atom E to form a compound. Calculate the relative molecular mass

for the compound formed.

A

B

C

D

2143

102113

34 Calculate the volume of sodium hydroxide of concentration 0.5 mol dm-3

needed toneutralize 25.0 cm

3sulphuric acid of concentration 0.20 mol dm

-3.

A

B

C

D

10 cm3

20 cm3

25 cm3

50 cm3

35 The table below shows the potential difference of three simple voltaic cells.

Cell Pair of metal Potential

difference(V)

Negative

terminal

I Mg and Cu 3.0 Mg

II Mg and Zn 1.5 Mg

III Zn and Fe 0.5 Zn

What is the potential difference of a simple voltaic cell for pair of iron and copper ?

A

B

C

D

0.5 V

1.0 V1.5 V

2.5 V

36 200 cm3 of 0.1 mol dm-3 sodium chloride solution reacts completely with excess silver

nitrate. Calculate the mass of precipitate produced.[Relative atomic mass of: Ag, 108; Cl, 35.5]

A

B

C

2.78 g

2.87 g3.78 g

27

D13

16

E8

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D 3.87 g

37 The uses of substance X;

What is substances X?

A

B

C

D

Nitric acid

Sulphuric acidAmmonia

Ammonium sulphate

38 Graph represents the decomposition of 25 cm3

hydrogen peroxide of 0.5 mol dm-3

with

manganese(IV) oxide as a catalyst at a temperature of 30oC.

Which of the following experiments will produce graph II ?

Volume of

hydrogen peroxide / cm3

Concentration of

hydrogen peroxide/mol dm

-3

Temperature of

hydrogen peroxide / oC

A 15 0.7 30

B 15 0.5 30

C 40 0.7 30

D 40 0.5 20

39. What is the volume of 4 g of oxygen gas at s.t.p.?[Relative atomic mass: O,16; 1 mol of gas occupies 22.4 dm

3at s.t.p.]

A 4 X 22.4 dm3

B 1 X 22.4 dm3

4

y To clean metals.y To produce detergents.y To make paints.

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C 1 X 22.4 dm3

8

D 16 X 22.4 dm3

40. How many molecules are there in 14 g of nitrogen gas?

[Molar mass of gas nitrogen, 28; Avogadros constant : 6 X 1023

mol-1

]

A 14 X 1023

B 8 X 1023

C 6 X 1023

D 3 X 10

23

41. Figure 5 shows a photo of a body of a F1 car made of graphite fibre.

FIGURE 5

Graphite fibre is

A an alloyB a polymer

C a ceramicD a composite material

42. The information about an element is as follows:

Based on the information above, the element is

A sodiumB slicone

C chlorine

D argon

y Placed in the Third Periody Used in making microchip

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43. Proton number of element Y is 17.Which of the following boxes A, B, C and D in the Periodic Table is element Y placed?

1 18

2 13 14 15 16 17

A D

C

B

44. Figure 6 shows a reactive metal Q palced in a container filled with paraffin.

Paraffin

Metal Q

FIGURE 6

Metal Q is placed in Group

A 18

B 17C 2

D 1

45. The information about the properties of element Z in the Periodic Table is as follows:

Z is

y Z is present in coloured precious stoney Z is used to increase the reaction in producing

sulphuric acid

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A a noble gasB a halogen

C an alkaline metalD a transition metal

46. Which of the following electronic configuration of atoms, can form an ionic bond with

an atom having proton number 9?

I II

III IV

A I and II only

B I and IV onlyC I, III and IV only

D II, III and IV only

47. Which of the following equations does not represent a redox reaction?

I. CuCO3 + 2HCl CuCl2 + H2O + CO2II 2NaOH + H2SO4 Na2SO4 + 2H2O

III Mg + H2SO4 MgSO4 + H2lV Pb + 2HCl PbCl2 + H2

A I and II only

B II and III onlyC I and III only

D II and IV only

48. Which of the following subatoms is involved in chemical reaction between elements?

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A electronB proton

C neutronD valence electron

49. Figure 7 shows an electronic configuration of an atom Y.

Y

FIGURE 7

Atom Y can form a covalent bond with another atom by

A receiving two electronsB sharing two electrons

C releasing six electronsD sharing two pairs of electrons

50. Which of the following acid solutions has the lowest pH value?

A Sulphuric acid 0.01 mol dm-3

B Ethanoic acid 0.01 mol dm-3C Stearic acid 0.01 mol dm

-3

D Carbonic acid 0.01 mol dm-3

51. Figure 8 shows an increasing order of electropositivity for metals W, X Y and Z

W , X , Y , Z

Electropositive increases

FIGURE 8

Which of the following nitrate solutions contain ions that can be displaced by metal Y?

I W nitrateII X nitrate

III Y nitrateIV Z nitrate

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A I and II only

B I and III onlyC II and IV only

D III and IV only

52. Which of the followings are not electrolyte?I Acetamide in molten state

II Dilute ethanoic acidIII Sulphur in molten state

IV Tetrachloromethane

A I and II only

B II and IV onlyC I, III and IV only

D I, II and III only

53. Figure 9 shows a boiling curve for lead(II) bromide from solid to molten state.

Temperature

Timet3 t2 t3 t4

FIGURE 9

Which of the following time when lead(II) bromide can conduct electricity?

I t1

II t2III t3

IV t4

A I and II only

B III and IV only

C I, II and III onlyD II, III and IV only

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54. A farmer has to deal with an acidic soil.

Which of the following substances is suitable to neutralise the soil?

A Calcium nitrateB Calcium sulphate

C Calcium carbonate

D Calcium hydroxide

55. What is the property in tooth paste that can prevent the enamel of a tooth from being

dissolved in lactic acid?

A BasicityB Corrosion resistance

C Electric conductivityD Solubility in wateR

56. Figure 10 shows an electrolysis cell.

Carbon electrode

Solution X

FIGURE 10

Observation: Ammeters needle moves when the switch is on.Which of the following shows the particle arrangement in the solution X?

A B

+ - + -

- + - +

+ - + -

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C D

- -

+

-+

+

-

57. The equation below represents a chemical reaction.

Energy content for 2 moles of Z is bigger than the energy content for 1 mole of X and 2moles of Y. The difference of energy content between products of reaction and reactants is

66 kJ.Which of the following energy level diagrams is true for the reaction?

Energy

A

X + 2Y

H = -66 kJ

2Z

Energy

B 2Z

H = -66 kJ

X + 2Y

X + 2Y 2Z

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C Energy

2Z

H = + 66 kJX + 2Y

Energy

D X + 2Y

H = +66kJ

2Z

58. Figure 11 shows a flow chart for the preparation of salt Z.

filtered

FIGURE 11Z is

A copper(II) sulphate

B zinc chloride

C barium nitrateD silver chloride

59. Which of the followings are properties of a salt crystal?

I Translucent

II Regular geometrical shapeIII Can conduct electricity

IV Angle of two adjacent planes is constant

A I and II only

B II and IV onlyC I and III only

D II and III only

60. Figure 12 shows a set-up for acidity test.

Mixed two

different salt

solution

Precipitate

formed

Residue is a

salt Z

Ethanadioic acid

crystalBlue litmus

paper

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FIGURE 12

Which of the following liquids when added to the ethanadioic acid crystal change blue

litmus paper to red?

A WaterB Pure ethanol

C Paraffin

D Tetrachlomethane

61. Figure 15 shows a supporting beam of a monorail track.

Supporting beam

FIGURE 15

The supporting beam is made of

A reinforced concrete

B pure metal

C ceramicD alloy

62. Figure 16 shows two curves X and Y for decomposition of hydrogen peroxide.

Volume of oxygen/ cm3

X

YDecomposition of50 cm

3 hydrogen peroxide1.0 mole dm

-3at 30

oC + 1.0 g of catalyst

mangan(IV) oxide

Time/ minute

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FIGURE 16

Which of the following conditions wil produce curve X?

I Decomposition of 100 cm3 hydrogen peroxide 1.0 mole dm-3 at 30oC and using 1.5gof mangan(IV) oxide

II Decomposition of 100 cm3

hydrogen peroxide 0.5 mole dm-3

at 30oC and using 1.0

g of mangan(IV) oxide

III Decomposition of 100 cm3

hydrogen peroxide 1.0 mole dm-3

at 40oC and using 1.0

g of mangan(IV) oxide

IV Decomposition of 100 cm3

hydrogen peroxide 1.0 mole dm-3

at 30oC and using 0.5

g of mangan(IV) oxide

A I and II only

B II and IV only

C I, II and III only

D I, III and IV only

63. The equation below shows the Haber process reaction.

Iron fillings is used in the process to

A increase the quantity of ammonia

B increase the reaction temperatureC increase the rate of ammonia production

D increase the activation energy of reaction

64. Figure 18 shows an energy level diagram of a reaction X + Y XY.

FIGURE 18

Iron fillings

N2

+ 3H2 2NH3

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FIGURE 23

Activation energy of the reaction is represented by

A I

B IIC III

D IV

65. Figure 19 shows chicken meat in two different sizes.

I IIFIGURE 19

Chicken meat in Figure 19(II) is cooked faster because it has

A bigger total surface area

B lower heat capacityC lower density

D lower mass

66. Figure 23 shows a photo of a swollen foot of an athlete being wrapped with a cold pack.

What chemical substance is present in the cold pack?

A Sodium hydroxide and water

B Ammonium nitrate and waterC Calcium chloride and water

D Copper(II) sulphate and water

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67. Figure 24 shows a graph temperature versus volume of nitric acid in a neutralisation

reaction between 1.0 mole dm-3

pottasium hydroxide solution and 1.0 mole dm-3

nitricacid.

FIGURE 24

Which of the following statements is true about the reaction?

A The highest temperature in the neutralisation reaction is 35.5oC.

B Neutralisation reaction is an endotermic reactionC Volume of nitric acid required to reach end point is 50 cm

3

D The more nitric acid is used the higher is the temperature of the reaction

Kertas 1

1 A 21 B 41 A

2 B 22 D 42 A

3 A 23 D 43 C

4 B 24 C 44 B

5 B 25 B 45 B

6 C 26 C 46 B

7 D 27 D 47 B

8 A 28 A 48 A

9 B 29 D 49 C

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