Cambridge IGCSE Physical Science 0652 — 2009 Oct/Nov Paper 1 · Variant 1

Question 1

1 Which statement explains why toffee can move and change its shape while it is a liquid but not when it is cooled and solid? toffee plastic dish containing ice metal tray A The particles in a liquid are much further apart than those in a solid. B The particles in a liquid are separate but a solid is one large particle. C The particles in a liquid can move past each other but are fixed in place in a solid. D The particles in a liquid change shape when it becomes a solid.

Accepted Answer

C

Question 2

2 Antacid tablets react with hydrochloric acid in the stomach to form carbon dioxide gas. A series of experiments is carried out to find the rates at which tablets react with samples of hydrochloric acid at different temperatures. In each experiment, one tablet is added to 100 cm3 of 1 mol / dm3 hydrochloric acid. The time taken for the tablet to disappear completely is noted. hydrochloric acid antacid tablet Which pieces of apparatus, other than the test-tube, are needed for these experiments? A balance, measuring cylinder and stopwatch B balance, measuring cylinder and thermometer C balance, stopwatch and thermometer D measuring cylinder, stopwatch and thermometer

Accepted Answer

D

Question 3

3 The table shows the nucleon numbers and proton numbers of some atoms. nucleon number 35 37 40 39 40 proton number 17 17 18 19 19 How many are atoms of non-metallic elements? A 1 B 2 C 3 D 4

Accepted Answer

C

Question 4

4 The compound silicon carbide, SiC, has the structure shown. key carbon, C silicon, Si It can be predicted from this structure that silicon carbide might be used ……1…… because its structure is similar to that of ……2…… . Which words complete gaps 1 and 2? 1 2 A as a lubricant diamond B as a lubricant graphite C in cutting diamond D in cutting graphite

Accepted Answer

C

Question 5

5 A molecule of compound X contains the following. 2 atoms of carbon, C 2 atoms of oxygen, O 4 atoms of hydrogen, H What is the formula of X? A (CH2)2O B (CH2)2O2 C C2(OH)4 D C4H2O

Accepted Answer

B

Question 6

6 Hydrogen is used as a fuel. This is because its ……1…… is an ……2…… reaction. Which words correctly complete gaps 1 and 2? 1 2 A oxidation endothermic B oxidation exothermic C reduction endothermic D reduction exothermic

Accepted Answer

B

Question 7

7 How can the speed of reaction between lumps of zinc and dilute hydrochloric acid be slowed down? A Add water to the acid. B Increase the temperature. C Make the acid more concentrated. D Powder the lumps of zinc.

Accepted Answer

A

Question 8

8 Which reaction results in the formation of a salt? A acid + metal carbonate B acid + non-metal oxide C base + metal carbonate D base + metal oxide

Accepted Answer

A

Question 9

9 An alkaline gas is given off when a compound is heated with aqueous sodium hydroxide. Which ion is present in the compound? A aluminium B ammonium C calcium D zinc

Accepted Answer

B

Question 10

10 A solution is made by adding sodium oxide to water. Which pH change will occur? A 1 to 7 B 7 to 1 C 7 to 12 D 12 to 7

Accepted Answer

C

Question 11

11 The table shows some properties of elements P and Q.

has a coloured oxide

oxide can be reduced by carbon

reacts with dilute sulfuric acid

x \ \ {90

<< s/o

What are elements P and Q?

P Q
A Cu Fe
B Cu Zn
Cc Fe Cu
D Fe Zn

Accepted Answer

A

Question 12

12 The table gives the arrangement of electrons in the atoms of four elements. Which element does not form an ionic compound? arrangement element of electrons A 2, 7 B 2, 8 C 2, 8, 1 D 2, 8, 2

Accepted Answer

B

Question 13

13 Astatine is the element below iodine in Group VII of the Periodic Table. What can be predicted about the properties of astatine at room temperature? A It is a liquid. B It is a metal. C It is a solid. D It is white.

Accepted Answer

C

Question 14

14 Metal X is below hydrogen in the reactivity series. Which row in the table is correct? reaction of X with reaction of the heated hydrochloric acid oxide of X with carbon A hydrogen formed metal formed B hydrogen formed no reaction C no reaction metal formed D no reaction no reaction

Accepted Answer

C

Question 15

15 What is the main reason why stainless steel is used for cutlery? A It has a high electrical conductivity. B It has a low melting point. C It is of low density. D It is resistant to corrosion.

Accepted Answer

D

Question 16

16 The equation describes a reaction which occurs in a blast furnace. Fe2O3 + 3CO → 2Fe + 3CO2 Which substance is reduced? A carbon dioxide B carbon monoxide C iron D iron(III) oxide

Accepted Answer

D

Question 17

17 Exhaust gases contain the pollutants CO, NO2 and SO2. To remove any acidic gas, the gases are passed through the apparatus shown. The remaining gas is collected in the right-hand syringe. pushed inwards exhaust gases remaining pollutants aqueous sodium hydroxide What happens to the pH of the aqueous sodium hydroxide and what could the remaining gas contain? pH of aqueous sodium gas in right-hand syringe hydroxide contains A decreases CO only B decreases CO and NO2 only C increases CO only D increases CO and SO2 only

Accepted Answer

A

Question 18

18 Lime is used to treat industrial waste products. Which pH change occurs in this treatment? A 2 to 7 B 7 to 2 C 9 to 7 D 9 to 2

Accepted Answer

A

Question 19

19 Which of the compounds shown is not an alkane? A B H H H H H H H H H C C C C H H C C C C H H H H H H H C D H H H H H C H H C C C H H H H H C C H H C H H H C H H H

Accepted Answer

B

Question 20

20 Which row in the table is correct for decane?

burns is saturated

v v

0 0O WwW >

v x
x v
x x

Accepted Answer

A

Question 21

21 A stopwatch is used to time an athlete running 100 m. The timekeeper forgets to reset the watch to zero before using it to time another athlete running 100 m. 60 60 55 5 55 5 50 10 50 10 45 15 45 15 40 seconds 20 40 seconds 20 35 25 35 25 30 30 stopwatch at stopwatch at end of first end of second athlete’s run athlete’s run How long does the second athlete take to run 100 m? A 11.2 s B 11.4 s C 12.4 s D 23.8 s

Accepted Answer

B

Question 22

22 A car accelerates from traffic lights. The graph shows the car’s speed plotted against time. speed m / s 20 0 0 10 time / s How far does the car travel before it reaches a constant speed? A 10 m B 20 m C 100 m D 200 m

Accepted Answer

C

Question 23

23 Which property of a body can be measured in newtons? A density B mass C volume D weight

Accepted Answer

D

Question 24

24 The diagrams show a rectangular box with inside measurements of 5 cm × 6 cm × 4 cm. liquid 4 cm 6 cm 5 cm mass = 40 g total mass = 220 g The box has a mass of 40 g when empty. When filled with a liquid it has a total mass of 220 g. What is the density of the liquid? A 220 g / cm3 (5 × 6 × 4 ) ( 220 − 40 ) g / cm3 B (5 × 6 × 4 ) (5 × 6 × 4 ) g / cm3 C 220 (5 × 6 × 4) D g / cm3 (220 − 40)

Accepted Answer

B

Question 25

25 The object in the diagram is acted upon by the two forces shown. 3 N 2 N object What is the effect of these forces? A The object moves to the left with constant speed. B The object moves to the left with constant acceleration. C The object moves to the right with constant speed. D The object moves to the right with constant acceleration.

Accepted Answer

D

Question 26

26 To mark a temperature scale on a thermometer, standard temperatures known as fixed points are needed. Which of these is a fixed point? A room temperature B the temperature inside a freezer C the temperature of pure melting ice D the temperature of pure warm water

Accepted Answer

C

Question 27

27 A beaker contains water at room temperature. X water Y How could a convection current be set up in the water? A cool the water at X B cool the water at Y C stir the water at X D stir the water at Y

Accepted Answer

A

Question 28

28 The diagram shows a wave. Which labelled distance is the wavelength? A B D C

Accepted Answer

C

Question 29

29 Which diagram shows the effect of a thin converging lens on a beam of light? A B C D

Accepted Answer

D

Question 30

30 Astronaut 1 uses a hammer to mend a satellite in space. Astronaut 2 is nearby. There is no air in space. hammer astronaut 1 astronaut 2 Compared with the sound heard if they were working on Earth, what does astronaut 2 hear? A a louder sound B a quieter sound C a sound of the same loudness D no sound at all

Accepted Answer

D

Question 31

31 A permanent magnet is brought near to a piece of copper. The copper is not attracted by the magnet. Why is there no attraction? A Copper is ferrous but is only attracted by an electromagnet. B Copper is ferrous but is not attracted by any type of magnet. C Copper is not ferrous and is only attracted by an electromagnet. D Copper is not ferrous and is not attracted by any type of magnet.

Accepted Answer

D

Question 32

32 Four plotting compasses are placed in the magnetic field of two identical bar magnets as shown in the diagram. Which compass is shown pointing in the wrong direction? B A D S N N S C

Accepted Answer

D

Question 33

33 A student uses a length of wire as a resistor. He discovers that the resistance of the wire is too small. To be certain of making a resistor of higher value, he should use a piece of wire that is A longer and thicker. B longer and thinner. C shorter and thicker. D shorter and thinner.

Accepted Answer

B

Question 34

34 The diagram shows a battery connected to two identical resistors. Three ammeters M1, M2 and M3 are connected in the circuit. M1 A A M3 A M2 Meter M1 reads 1.0 A. What are the readings on M2 and M3? reading on M2 / A reading on M3 / A A 0.5 0.0 B 0.5 0.5 C 0.5 1.0 D 1.0 1.0

Accepted Answer

D

Question 35

35 The diagram shows a torch containing two cells, a switch and a lamp. plastic case brass connecting switch strip lamp What is the circuit diagram for the torch? A B C D

Accepted Answer

A

Question 36

36 On a building site, the metal scaffolding is firmly embedded in the damp ground. A builder holds a mains-operated electric drill in one hand, and with his other hand holds on to the scaffolding. The power cable of the drill is damaged where it enters the metal casing of the drill. What danger does this present to the builder? A A current could flow through the builder and electrocute him. B A current in the scaffolding could heat it up and burn him. C The large current could blow the fuse and damage the drill. D The large current could make the motor spin too quickly.

Accepted Answer

A

Question 37

37 The diagram shows a beam of cathode rays entering an electric field. – beam + In which direction is the beam deflected by the field? A downwards B upwards C into the page D out of the page

Accepted Answer

A

Question 38

38 Which statement explains the meaning of the half-life of a radioactive substance? A half the time taken for half the substance to decay B half the time taken for the substance to decay completely C the time taken for half the substance to decay D the time taken for the substance to decay completely

Accepted Answer

C

Question 39

39 The diagram shows the paths of three different types of radiation, X, Y and Z. X Y Z 2 mm of 10 mm lead plastic of aluminium Which row in the table correctly identifies X, Y and Z? X Y Z A alpha-particles beta-particles gamma-rays B beta-particles alpha-particles gamma-rays C beta-particles gamma-rays alpha-particles D gamma-rays alpha-particles beta-particles

Accepted Answer

B

Question 40

40 How many neutrons and how many protons are contained in the nuclide 238 U ? 92 neutrons protons A 92 146 B 146 92 C 146 238 D 238 92

Accepted Answer

B

Question paper20 pages

Mark scheme2 pages

Questions as text

Q1 · Which statement explains why toffee can move and change its shape while it is a liquid…

Q2 · Antacid tablets react with hydrochloric acid in the stomach to form carbon dioxide gas

Q3 · The table shows the nucleon numbers and proton numbers of some atoms

Q4 · The compound silicon carbide, SiC, has the structure shown

Q5 · A molecule of compound X contains the following

Q6 · Hydrogen is used as a fuel

Q7 · How can the speed of reaction between lumps of zinc and dilute hydrochloric acid be…

Q8 · Which reaction results in the formation of a salt?

Q9 · An alkaline gas is given off when a compound is heated with aqueous sodium hydroxide

Q10 · A solution is made by adding sodium oxide to water

Q11 · The table shows some properties of elements P and Q

Q12 · The table gives the arrangement of electrons in the atoms of four elements

Q13 · Astatine is the element below iodine in Group VII of the Periodic Table

Q14 · Metal X is below hydrogen in the reactivity series

Q15 · What is the main reason why stainless steel is used for cutlery?

Q16 · The equation describes a reaction which occurs in a blast furnace

Q17 · Exhaust gases contain the pollutants CO, NO2 and SO2

Q18 · Lime is used to treat industrial waste products

Q19 · Which of the compounds shown is not an alkane?

Q20 · Which row in the table is correct for decane?

Q21 · A stopwatch is used to time an athlete running 100 m

Q22 · A car accelerates from traffic lights

Q23 · Which property of a body can be measured in newtons?

Q24 · The diagrams show a rectangular box with inside measurements of 5 cm × 6 cm × 4 cm

Q25 · The object in the diagram is acted upon by the two forces shown

Q26 · To mark a temperature scale on a thermometer, standard temperatures known as fixed points…

Q27 · A beaker contains water at room temperature

Q28 · The diagram shows a wave

Q29 · Which diagram shows the effect of a thin converging lens on a beam of light?

Q30 · Astronaut 1 uses a hammer to mend a satellite in space

Q31 · A permanent magnet is brought near to a piece of copper

Q32 · Four plotting compasses are placed in the magnetic field of two identical bar magnets as…

Q33 · A student uses a length of wire as a resistor

Q34 · The diagram shows a battery connected to two identical resistors

Q35 · The diagram shows a torch containing two cells, a switch and a lamp

Q36 · On a building site, the metal scaffolding is firmly embedded in the damp ground

Q37 · The diagram shows a beam of cathode rays entering an electric field

Q38 · Which statement explains the meaning of the half-life of a radioactive substance?

Q39 · The diagram shows the paths of three different types of radiation, X, Y and Z

Q40 · How many neutrons and how many protons are contained in the nuclide 238 U ?

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