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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

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