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

++

+-

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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