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98 SOALAN ULANGJI SPM 2017 JAWAPAN boleh didapati di laman web www.afterschool.my Chemistry Analysis [4541/1] [4541/2] CHAPTER Number of Questions Paper 1 Paper 2 Paper 3 1 STRUCTURE OF THE ATOM 9 TE OF REACTION 10 CARBON COMPOUNDS 12 THERMOCHEMISTRY 13 CHEMICALS FOR CONSUMERS 11 OXIDATION AND REDUCTION FORM 4 FORM 5 2 CHEMICAL FORMULAE AND EQUATIONS 3 PERIODIC TABLE OF ELEMENTS 4 CHEMICAL BONDS 5 ELECTROCHEMISTRY 6 ACIDS AND BASES 7 SALTS 8 MANUFACTURED SUBSTANCES IN INDUSTRY ‘11 ‘12 ‘13 ‘14 ‘15 ‘16 ‘11 ‘12 ‘13 ‘14 ‘15 ‘16 ‘11 ‘12 ‘13 ‘14 ‘15 ‘16 4 6 2 1 2 3 7 7 6 5 6 4 5 2 2 6 3 5 Q1 Q1 Q3 Q1 Q2 Q2 Q3 Q3 Q2 Q3 Q9 Q1 Q3 3 3 4 2 4 4 Q10 Q3 Q4 Q3 Q4 5 6 3 4 5 Q6 Q8 Q10 Q10 Q5 2 2 3 2 3 Q5 Q8 2 1 1 4 3 5 Q10 Q7 Q7 Q6 Q9 3 3 5 4 2 2 Q7 Q1 Q2 Q2 3 2 4 5 3 Q2 Q7 Q10 Q6 Q4 5 4 6 4 5 Q9 Q5 Q9 Q1 Q8 Q7 Q8 2 6 8 4 4 Q6 Q8 Q5 Q9 Q10 Q8 5 6 2 5 4 4 Q5 Q4 Q6 Q9 Q4 Q9 Q6 4 2 4 4 6 3 Q4 Q10 Q7 Q5 Q7 https://cikguadura.wordpress.com/

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  • 98 SOALAN ULANGKAJI SPM 2017

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    ChemistryAnalysis

    [4541/1][4541/2]

    CHAPTER

    Number of Questions

    Paper 1 Paper 2 Paper 3

    1 STRUCTURE OF THE ATOM

    9 TE OF REACTION

    10 CARBON COMPOUNDS

    12 THERMOCHEMISTRY

    13 CHEMICALS FOR CONSUMERS

    11 OXIDATION AND REDUCTION

    FORM 4

    FORM 5

    2 CHEMICAL FORMULAE AND EQUATIONS

    3 PERIODIC TABLE OF ELEMENTS

    4 CHEMICAL BONDS

    5 ELECTROCHEMISTRY

    6 ACIDS AND BASES

    7 SALTS

    8 MANUFACTURED SUBSTANCES IN INDUSTRY

    11 12 13 14 15 16 11 12 13 14 15 16 11 12 13 14 15 16

    4 6 2 1 2 3

    7 7 6 5 6 4

    5 2 2 6 3 5

    Q1 Q1 Q3 Q1

    Q2 Q2 Q3

    Q3 Q2Q3 Q9 Q1Q3

    3 3 4 2 4 4 Q10 Q3Q4 Q3 Q4

    5 6 3 4 5 Q6Q8 Q10 Q10Q5

    2 2 3 2 3 Q5Q8

    2 1 1 4 3 5 Q10Q7 Q7 Q6Q9

    3 3 5 4 2 2 Q7 Q1 Q2Q2

    3 2 4 5 3 Q2 Q7Q10 Q6 Q4

    5 4 6 4 5 Q9 Q5Q9

    Q1 Q8 Q7Q8

    2 6 8 4 4 Q6 Q8 Q5Q9

    Q10 Q8

    5 6 2 5 4 4 Q5 Q4Q6

    Q9

    Q4 Q9Q6

    4 2 4 4 6 3 Q4Q10

    Q7 Q5Q7

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  • 99 SOALAN ULANGKAJI SPM 2017

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    7 Diagram 2 shows National Monument which is made up of an alloy.

    Diagram 2 Which is the composition of this alloy ?

    A Iron, zinc C Copper, zinc B Copper, tin D Tin, iron

    8 Diagram 3 shows the structural formula of PVC.

    Diagram 3 What is the structural formula of its monomer?

    A C

    B D

    9 What is the meaning of one mole ?

    A The mass of 6.02 x 1023 particles of any substance. B The volume occupied by any gas at a particular

    temperature and pressure. C The amount of substance that contains the same number

    of atoms in 12 g of carbon -12. D The amount of substance that contains the same number

    of molecules in 32 g of oxygen gas.

    10 A substance is said to be reduced if

    A oxygen is lost C electrons are lost B hydrogen is lost D its oxidation number increases

    Chemistry Paper 1 [4541/1]

    Each question is followed by either three, four or five options. Choose the best option for each question and then blacken the correct spaceon the answer sheet.

    1 Which of the following solutions has a pH value less than 7?

    A Glacial ethanoic acid B Dry ethanoic acid vapour C Aqueous ethanoic acid D Ethanoic acid solution in methylbenzene

    2 An electrolyte can conduct electricity because it consist of

    A Ions in the solid state B Free moving molecules in water C Free moving atoms in the molten state D Free moving ions in the aqueous state

    3 Which of the following pairs of reagents is most suitable for preparing silver chloride?

    A Silver metal and hydrochloric acid B Silver oxide and hydrochloric acid C Silver carbonate and hydrochloric acid D Argentum nitrate solution and hydrochloric acid

    4 The pH values of three acid solutions of 0.1 mol dm-3 are shown in Table 1

    Table 1 Arrange the acids according to an ascending order of degree of

    dissociation.

    A X, Y, Z C Z, X, Y B X, Z, Y D Y, X, Z 5 Diagram 1 shows a model of an atom.

    Diagram 1

    Which scientist proposed this model of an atom?

    A Neils Bohr C James Chadwick B J.J Thompson D Rutherford

    6

    Which chemical present in photochromic glass gives this property?

    A Boron oxide C Silver bromide B Silver nitrate D Copper (II) chloride

    Solution pH value

    X 2.5Y 1.0Z 6.0

    electron

    nucleus

    Photochromic glass is a type of glass that issensitive to light intensity.

    H

    H

    C

    H

    H

    C

    H

    H

    C

    Cl

    H

    C

    Cl

    H

    C

    Cl

    H

    C

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  • 100 SOALAN ULANGKAJI SPM 2017

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    11 Corrosion of metal and marble structures are caused by acid rain. Which gases can cause acid rain?

    I SO3 III NH3 II CO IV SO2

    A I and II only C III and IV only B II and IV only D I and IV only

    12

    Which type of medicine is insulin classified as?

    A Hormone C Antibiotic B Analgesic D Stimulant

    13 Which substance will change aqueous iron(II) sulphate from light green to brown?

    A sulphuric acid C chlorine water B sodium hydroxide D sulphur dioxide gas

    14 Which of the following properties can be predicted based on the position of the element in the Periodic Table of Elements?

    A The number of neutrons in an atom of the element B The number of isotopes the element has C The charge of the ion formed by the element D The relative atomic mass of the element

    15 Which chemical can be used to differentiate between hydrochloric acid and sulphuric acid?

    A Barium sulphate C Lead(II) oxide B Barium carbonate D Lead(II) carbonate

    16 Diagram 4 shows the apparatus set-up of electrolysis of aqueous silver nitrate solution.

    Diagram 4

    The half equation at anode is

    A 4OH 2H2O + O2 + 4e B Ag + e Ag C Ag Ag + e D 2H + 2e H2

    Aspirin is a modern medicine not suitable for children and pregnant mothers.

    17 Diagram 5 shows an energy level for the reaction P + Q PQ.

    Diagram 5

    Which Roman number represents the activation energy in this reaction?

    A I C III B II D IV

    18 Which of the glass is suitable to make the following apparatus in diagram 6 ? .

    Diagram 6

    A Fuse glass C Borosilicate glass B Lead glass D Soda lime glass

    19 Which of the following statement is true for an ionic compound with an ionic formula of XY2 ?

    A An atom of X has 2 valence electrons while an atom of Y has 7 valence electrons.

    B X is from Group 14 and Y is from Group 16 of the Periodic Table of elements. C One atom of Y donates two electrons to be accepted by an atom of X. D One atom of Y shares two electrons with one atom of X.

    20 What are the applications of electrolysis in industries ?

    I Purification of impure copper II Electroplating of copper with nickel III Extraction of iron from iron(III) oxide IV Extraction of aluminium from aluminum oxide

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

    Silver nitrate

    Silver plate

    Ener

    gy

    P + Q

    PQ

    II

    IIIIV

    Reaction pathway

    ++

    +-

  • 101 SOALAN ULANGKAJI SPM 2017

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    26 The reaction between lead(II) nitrate and potassium iodide is represented by the equation below.

    25.0 cm3 of 1.0 mol dm-3 potassium iodide solution is mixed with 25.0 cm3 of 1.0 mol dm-3 lead(II) nitrate solution. What is the maximum mass of lead(II) iodide produced in this reaction?

    [ Relative atomic mass :I = 127, Pb = 207]

    A 4.18 g C 8.35 g B 5.76 g D 11.52 g

    27 Diagram 9 shows the set-up of the apparatus for displacement reactions in test-tube X, Y and Z.

    Diagram 9 In which test tube does replacement reaction takes place?

    A X only C X and Y only B Z only D X and Z only

    28 Propene reacts with bromine to produce compound P

    Name compound P using IUPAC

    A 1,1 dichloropropane B 1,2 dichloropropane C 1,2 dichloropropene D 2,3 dichloropropane

    29 Diagram 10 shows the set-up of apparatus for electroplating.

    Diagram 10 Which of the following equations represent the reactions at the

    anode and cathode?

    21 Table 2 shows the volume of hydrpgen gas collected every 30 s for the reaction between zinc and hydrochloric acid.

    Table 2 Calculate the average rate of reaction in the second minutes

    A 0.075 cm3 min-1 C 9.0 cm3 min-1 B 4.5 cm3 min-1 D 18.0 cm3 min-1

    22 Diagram 7 shows the set-up of apparatus of a chemical cell with a voltmeter reading of 1.3 V.

    Diagram 7 Which of the following will increase the voltmeter reading ?

    A Replace the zinc rod with iron rod. B Replace the copper rod with silver rod. C Increase the concentration of the two solutions. D Replace the porous pot by a salt bridge.

    23 During a complete combustion reaction, 1 mole of alkane will produce 4 moles of water. The alkane is

    A methane C propane B ethane D butane

    24 Which ion has the highest concentration in an aqueous solution of sodium sulphate?

    A H (aq) C Na (aq) B OH (aq) D SO42 (aq)

    25 Diagram 7 shows the electron arrangement of an ion formed from atom X.

    Diagram 8 Which of the following is true about atom X ? A Atom X ha