preliminary examinations 2009

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Hillgrove Secondary School 2009 [Turn over

PRELIMINARY EXAMINATIONS 2009Secondary 4 Express / 5 Normal (Academic)

SCIENCE (PHYSICS, CHEMISTRY) 5116/01Paper 1 Multiple Choice

Wednesday 12th August 2009

TIME 7.50 AM 8.50 AM DURATION 1 hour

Additional materials: OTAS

READ THESE INSTRUCTIONS FIRST

Write in soft pencil.Do not use paper clips, highlighters, glue or correction fluid.Write your name, subject title, test name and index number on the OTAS in the spaces provided.

There are forty questions on this paper. Answer all questions. For each question there are fourpossible answers A, B, C and D.Choose the one you consider correct and record your choice in soft pencil on the separate OTAS.

Read the instructions on the OTAS carefully.

Each correct answer will score one mark. A mark will not be deducted for a wrong answer.Any rough working should be done in this booklet.A copy of the colours of some common Metal hydroxides is printed on page 13.A copy of the Periodic Table is printed on page 14.

Candidate Name: __________________________ ( )

Class: Secondary ____

This document consists of 14 printed pages.


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Hillgrove Secondary School 2009 5116/01/Prelim/4E/5N

1 The diagram shows a micrometer screw gauge which reads -0.05 when totally closed. Whenit is measuring the thickness of a thin disc, it is as shown below.

What is the actual thickness of the disc?

A 7.22 B 7.67 C 7.72 D 7.77

2 Which of the following best describes the distance-time graph shown?

A An object travels at a constant acceleration.B An object travels at a constant speed.C An object travels at a constant velocity.D An object is not moving.

3 A box is being pushed horizontally across a frictionless surface. If the push is stopped, thebox will __________.

A accelerate B continue to move at constant speedC slow down and finally stop D stop immediately

4 Three objects are introduced into the same type of liquid as shown below. Which of thefollowing is in ascending (increasing) order of density of the objects?

A A, B, C B B, A, C C B, C, A D C, A, B


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Hillgrove Secondary School 2009 5116/01/Prelim/4E/5N [Turn over

5 Which of the following containers shown below is the most stable given that the density ofthe liquid is much higher than the density of the container?

A B C D

6 Which of the following animals is more likely to live in muddy terrain?

A big feet and has big volume B small feet and covered with featherC big feet and has small mass D small feet and has large mass

7 A box with weight Wis being pulled by force Fat the foot of the ramp to the top of the ramp.

What is the work done on the box by Fand the gain in potential energy by the box?

work done gain in potential energy

A 4 F 4 WB 4 F 6 WC 6 F 4 WD 6 F 6 W

8 Which of the following is/are true?

I. Molecules in a solid expands when heated.II. Molecules in a liquid are constantly in motion.III. Molecules in a gas repel each other.

A II only B II and III only C I, II and III D none of the above

W

F6 m 4 m


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13 Which of the following statements is true about all electromagnetic waves?

A Only sound wave requires a medium to travel.B They can be detected by a radio aerial.C They obey the law of reflection and refraction.D They travel at 3 x 108 m/s.

14 An electric bell is suspended in a bell jar as shown. An observer outside the bell jar can seethe clapper striking the bell but cannot hear any sound produced by the striking.

What is the possible reason?

A The bell jar has very thick glass. B The bell jar is filled with inert gas.C The bell jar is filled with water. D There is a vacuum in the bell jar.

15 Which of the following is a possible electric field pattern?

A B

C D


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16 A cell containing 1 620 C of charge is connected to a circuit.

What is the time taken to discharge the cell given that the current of the circuit is 6 A?

A 0.0037 h B 4.5 min C 270 min D 9 720 s

17 A 12 V cell is connected to two resistors arranged in series.

What is the potential difference across resistor R?

A 2 V B 4 V C 5 V D 10 V

18 If a heater draws a current of 5 A from a 240 V supply, what is the electric potential on theneutral wire.

A 0 V B 5 V C 120 V D 240 V

19 Which of the following are possible results when a steel bar is being magnetised by the

stroking method?

I II III

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


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20 The figure below shows a current-carrying conductor between two magnets.

Which of the arrows correctly indicates the direction of the force acting on the conductor?

21 The colour of a luminous Bunsen flame is due to __________.

A white smoke particles which burn, producing orange lightB extra burning to produce orange light instead of blue lightC incomplete combustion producing particles of carbon, which glow in the heat

D incomplete combustion producing carbon monoxide gas which burns with an orangecoloured flame

22 A mixture of hexane (boiling point 69C) and octane (boiling point 126C) is heated in afractional distillation apparatus as shown in the diagram. Fractions are drawn off at the pointslabelled X, Y and Z.

Compared with the fractions drawn off at Y and Z, the fraction drawn off at X is likely to have__________.

A the lowest boiling point and the lowest proportion of hexaneB the highest boiling point and the lowest proportion of hexaneC the lowest boiling point and the highest proportion of hexaneD the highest boiling point and the highest proportion of hexane


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23 An element Mcombines with chlorine to form a compound MCl2, which has a melting point of

1014C. What should Mand MCl2be?

M MCl2

A non-metal covalent compoundB non-metal ionic compoundC metal ionic compound

D metal covalent compound

24 An element Xforms a positive ion with the electronic structure of 2,8,8. What is the protonnumber (atomic number) of X?

A 16 B 17 C 18 D 19

25 A substance Y

I. has a high melting point;II. is a good conductor of electricity;III. is malleable.

What could Ybe?

A diamond B ironC sodium chloride D sulfur

26 In the following are listed four salts and the suggested methods for preparing them. Whichone of the following is not a correct method?

salt suggested method of preparation

A NH4Cl titrationB AgCl ionic precipitationC FeCl3 acid and carbonateD KCl acid and metal

27 The following mixtures of substances react to produce gases. In which reaction does the gas

evolved gives the correct effect on universal indicator?

mixtures of substances effect on universal indicator

A zinc and hydrochloric acid turns blueB ammonium chloride with heated calcium oxide turns yellowC sodium carbonate and hydrochloric acid turns redD hydrogen peroxide and manganese (IV) oxide remains green


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28 The equation for the reaction between carbon monoxide and oxygen is shown here.

2 CO (g) + O2 (g) 2 CO2 (g)

Which statement about this reaction is true?

A 2 g of carbon monoxide combines with 1 g of oxygen.B 2 mol of carbon monoxide can be obtained from 2 mol of oxygen.

C 28 g of carbon monoxide can produce 44 g of carbon dioxide.D 88 g of carbon dioxide can be obtained from 16 g of oxygen.

29 Ethanol is produced by the fermentation of sugar. During the reaction carbon dioxide isgiven off. The graph shows how the volume of carbon dioxide produced per minute varieswith temperature.

Use the graph to decide which statement is correct?

A The rate of reaction always increases with temperature.B The rate of reaction reaches a maximum at about 40 C.C The reaction is slowest at 0 C.D The reaction takes a long time to begin.

30 It was found that cars which were parked near a coal-fired power station often corroded morequickly. Which gas, when present in above average levels in the air, is a possibleexplanation for this?

A carbon dioxide B oxides of nitrogenC sulfur dioxide D water vapour

31 Which statement is true for both chlorine and iodine?

A They are gases.B They are reducing agents.C They react with acidified barium chloride to give a white precipitate.D They can react with sodium.


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36 Why are catalytic converters fitted to car exhausts?

A to decrease the amount of carbon dioxide emittedB to decrease the amount of nitrogen dioxide emittedC to improve energy conservationD to reduce global warming

37 The scheme shows some reactions of a compound Y.

What could the compound Y be?

A aluminium sulfate B calcium carbonateC copper(II) carbonate D zinc carbonate

38 How can margarine be made from vegetable oils?

A by the addition of hydrogen to a saturated oil.B by the addition of hydrogen to an unsaturated oil.C by the addition of steam to a saturated oil.D by the addition of steam to an unsaturated oil.

39 Which substance is formed when propan-1-ol, C3H7OH, is oxidised by acidified potassiumdichromate (VI), K2Cr2O7?

A C4H

9COOH B C

3H

7COOH

C C2H5COONa D C2H5COOH

compound Y

gas colourless solution

white precipitate, insoluble inexcess NaOH (aq)

add excess nitric acid

add a ueous sodium h droxide


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40 Polyethenol is a new plastic, which is water-soluble. This plastic is useful in hospitals forkeeping soiled laundry in and thereby preventing infection. The dirty laundry bag is placed inwater and the bag dissolves, letting the dirty laundry to be washed out. The structure ofpolyethenol is

.

What is the monomer unit for this addition polymer?

A B

C D


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DATA SHEET

Colours of some common Metal hydroxides

calcium hydroxide white

copper(II) hydroxide light blue

iron (II) hydroxide green

iron(III) hydroxide red brown

lead(II) hydroxide white

zinc hydroxide white


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preliminary examinations 2009

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