Cambridge IGCSE Physical Science 0652 — 2005 Oct/Nov Paper 1 · Variant 1

Question 1

1 Which method would be most suitable for obtaining a sample of pure water from aqueous sodium chloride? A chromatography B distillation C electrolysis D precipitation

Accepted Answer

B

Question 2

2 A gaseous mixture contains hydrogen and helium. Which diagram best represents this mixture? A B C D key = H atom = He atom

Accepted Answer

C

Question 3

3 Which element is a metal? A barium, Ba B helium, He C selenium, Se D tellurium, Te

Accepted Answer

A

Question 4

4 What are the nucleon numbers for carbon and magnesium? carbon magnesium A 6 12 B 6 24 C 12 12 D 12 24

Accepted Answer

D

Question 5

5 A model of a molecule is shown. Which molecule could this be? A ammonia B hydrogen chloride C methane D water

Accepted Answer

D

Question 6

6 The diagrams show the changes that occur in an experiment on some pink crystals. test-tube water water pink crystals 1 2 blue crystals blue crystals warm pink crystals heat Which changes are exothermic? A 1 only B 2 only C both 1 and 2 D neither 1 nor 2

Accepted Answer

B

Question 7

7 A 1 g sample of marble chips reacts with an excess of 1 mol / dm3 hydrochloric acid, as shown. A measured volume of gas is collected in 60 seconds. gas gas syringe hydrochloric acid marble chips The experiment is repeated using 2 g of marble chips and an excess of 2 mol / dm3 hydrochloric acid. How long does it take for the same volume of gas to be collected? A 30 s B 60 s C 120 s D 240 s

Accepted Answer

A

Question 8

8 Which reaction is an example of neutralisation? A KMnO4(s) + H2O(l) → KMnO4(aq) B 2Na(s) + Cl2(g) → 2NaCl(s) C PbBr2(l) → Pb(s) + Br2(g) D H2SO4(aq) + CuO(s) → CuSO4(aq) + H2O(I)

Accepted Answer

D

Question 9

9 An incomplete equation is given. dilute sulphuric acid   +   metal salt   + X What is X? A hydrogen B oxygen C sulphur dioxide D water

Accepted Answer

A

Question 10

10 The table shows the results of two experiments on an aqueous solution containing two cations. experiment 1 experiment 2 reagent add an excess of NaOH (aq) add an excess of NH3 (aq) pale blue precipitate in a white precipitate in a dark blue result colourless solution solution What are the cations? A Al 3+ and Cu2+ B Al 3+ and Fe2+ C Ca2+ and Cu2+ D Ca2+ and Fe2+

Accepted Answer

A

Question 11

11 Which pair of numbered elements combine together to form an ionic compound? 4 1 3 5 2 A 1 and 2 B 2 and 3 C 3 and 4 D 4 and 5

Accepted Answer

C

Question 12

12 Which type of element is found on the left-hand side of the Periodic Table? A halogen B metal C noble gas D non-metal

Accepted Answer

B

Question 13

13 A yellow-green element X reacts with an aqueous solution of a potassium salt. A red-brown element Y is formed. What are X and Y? X Y A bromine chlorine B bromine iodine C chlorine bromine D chlorine iodine

Accepted Answer

C

Question 14

14 Which property do all metals have? A They are hard. B They are less dense than water. C They are very reactive. D They conduct electricity.

Accepted Answer

D

Question 15

15 Bauxite and haematite are important ores. Which metals do they contain? bauxite haematite A Al Cu B Al Fe C Fe Cu D Cu Al

Accepted Answer

B

Question 16

16 Which process is used in water treatment to kill bacteria? A adding lime B chlorination C crystallisation D filtration

Accepted Answer

B

Question 17

17 Which structure represents a carboxylic acid? H H H H A H C C C C H H H H H H H B H C C C C O H H H H H H H H H C H C C C C H H H H H H H H O D H C C C C O H H H H

Accepted Answer

D

Question 18

18 In the diagram, which substance A, B, C or D could be methane? State at room temperature gas liquid Is it saturated? Is it saturated? yes no yes no A B C D

Accepted Answer

A

Question 19

19 The diagram shows a model of propane, a member of the alkane series of hydrocarbons. Which of the following is also a member of the alkane homologous series? A C3H6 B C4H8 C C4H10 D C6H10

Accepted Answer

C

Question 20

20 The diagram gives information about the burning of ethanol. gas X turns limewater cloudy burn in air ethanol colourless odourless liquid Y boils at 100 oC What are X and Y? X Y A carbon dioxide ethanoic acid B carbon dioxide water C carbon monoxide ethanoic acid D carbon monoxide water

Accepted Answer

B

Question 21

21 A measuring cylinder is used to measure the volume of a liquid. cm3 50 50 40 30 40 20 10 What is the volume of the liquid? A 43 cm3 B 46 cm3 C 48 cm3 D 54 cm3

Accepted Answer

B

Question 22

22 The graph represents part of the journey of a car. 30 speed m / s 20 10 0 0 10 20 30 40 time / s What distance does the car travel during this part of the journey? A 150 m B 300 m C 600 m D 1200 m

Accepted Answer

B

Question 23

23 A man crosses a road 8.0 m wide at a speed of 2.0 m / s. movement of man man 8.0 m How long does the man take to cross the road? A 4.0 s B 6.0 s C 10 s D 16 s

Accepted Answer

A

Question 24

24 The diagram shows a flat metal plate that may be hung from a nail so that it can rotate about any of four holes. holes holes flat metal plate What is the smallest number of holes from which the flat metal plate should be hung in order to find its centre of gravity? A 1 B 2 C 3 D 4

Accepted Answer

B

Question 25

25 Which type of power station does not use steam from boiling water to generate electricity? A geothermal B hydroelectric C nuclear D oil-fired

Accepted Answer

B

Question 26

26 A man standing at the top of a cliff throws a stone. X Y Which forms of energy does the stone have at X and at Y? energy at X energy at Y A gravitational only energy of motion only B energy of motion only gravitational only C gravitational only gravitational and energy of motion D gravitational and energy of motion gravitational and energy of motion

Accepted Answer

D

Question 27

27 Which substance is a liquid at a room temperature of 25 oC? substance melting point / oC boiling point / oC A –218 –183 B –39 357 C 44 280 D 119 444

Accepted Answer

B

Question 28

28 The diagram shows a cooling unit in a refrigerator. cooling unit Why is the cooling unit placed at the top? A Cold air falls and warm air is displaced upwards. B Cold air is a bad conductor so heat is not conducted into the refrigerator. C Cold air is a good conductor so heat is conducted out of the refrigerator. D Cold air stops at the top and so prevents convection.

Accepted Answer

A

Question 29

29 Rays of light enter and leave a box. ray 1 ray 1 ray 2 ray 2 What could be inside the box to make the rays behave as shown? A a converging lens B a parallel-sided glass block C a plane mirror D a triangular prism

Accepted Answer

B

Question 30

30 A thin converging lens is used to produce on a screen a focused image of a candle. screen image lens candle The screen and the lens are moved back and forth and various focused images are produced on the screen. Which statement is always true? A The image is at the principal focus (focal point) of the lens. B The image is bigger than the object. C The image is closer to the lens than the object is. D The image is inverted.

Accepted Answer

D

Question 31

31 Two astronauts without radios can only communicate in space if their helmets are touching. There is no air in space. What does this show about sound? through a solid through a vacuum A can travel can travel B can travel cannot travel C cannot travel can travel D cannot travel cannot travel

Accepted Answer

B

Question 32

32 Two rods X and Y look the same. P magnet rod X N S Q R rod Y S The N pole of a magnet is brought close, in turn, to each end of both rods. The results of these four actions are shown in the table. end tested result P attraction Q attraction R attraction S repulsion Which of the rods is a magnet? A neither of the rods B both of the rods C rod X only D rod Y only

Accepted Answer

D

Question 33

33 Which circuit should be used to find the resistance of a lamp? A B A V A V C D V V A A

Accepted Answer

C

Question 34

34 The table shows the voltage and current ratings for four electric heaters. Which heater has the least resistance? voltage / V current / A A 110 5.0 B 110 10 C 230 5.0 D 230 10

Accepted Answer

B

Question 35

35 When the circuit shown is connected with switch S open, the 6 V lamp glows. 6 V R 6 V lamp S What happens to the brightness of the lamp when switch S is closed? A It becomes brighter. B It remains the same. C It becomes dimmer. D It goes off.

Accepted Answer

A

Question 36

36 Why are the electric lamps in a house lighting circuit normally connected in parallel? A The current in every circuit must be the same. B The lamps are always switched on and off at the same time. C The voltage across each lamp must be the mains voltage. D When one of the lamps blows, all the others go out.

Accepted Answer

C

Question 37

37 Charged particles are emitted from the cathode of an oscilloscope. What is the name and the charge of these particles? name of particles charge of particles A electrons negative B electrons positive C protons negative D protons positive

Accepted Answer

A

Question 38

38 A radioactive source emits radiation which can pass through a sheet of paper but not through thick aluminium. paper thick aluminium (all the radiation (none of the radiation passes through) passes through) radiation What does this show about the radiation? A It is alpha-particles. B It is beta-particles. C It is gamma-rays. D It is a mixture of alpha-particles and gamma-rays.

Accepted Answer

B

Question 39

39 An unstable nucleus has 145 neutrons and 92 protons. It emits a beta-particle. How many neutrons and protons does it have after this? neutrons protons A 144 92 B 144 93 C 145 91 D 145 93

Accepted Answer

B

Question 40

40 Which particles are found in the nucleus of an atom? A neutrons and protons only B neutrons only C protons and electrons only D protons, electrons and neutrons

Accepted Answer

A

Question paper20 pages

Mark scheme2 pages

Questions as text

Q1 · Which method would be most suitable for obtaining a sample of pure water from aqueous…

Q2 · A gaseous mixture contains hydrogen and helium

Q3 · Which element is a metal?

Q4 · What are the nucleon numbers for carbon and magnesium?

Q5 · A model of a molecule is shown

Q6 · The diagrams show the changes that occur in an experiment on some pink crystals

Q7 · A 1 g sample of marble chips reacts with an excess of 1 mol / dm3 hydrochloric acid, as…

Q8 · Which reaction is an example of neutralisation?

Q9 · An incomplete equation is given

Q10 · The table shows the results of two experiments on an aqueous solution containing two…

Q11 · Which pair of numbered elements combine together to form an ionic compound?

Q12 · Which type of element is found on the left-hand side of the Periodic Table?

Q13 · A yellow-green element X reacts with an aqueous solution of a potassium salt

Q14 · Which property do all metals have?

Q15 · Bauxite and haematite are important ores

Q16 · Which process is used in water treatment to kill bacteria?

Q17 · Which structure represents a carboxylic acid?

Q18 · In the diagram, which substance A, B, C or D could be methane?

Q19 · The diagram shows a model of propane, a member of the alkane series of hydrocarbons

Q20 · The diagram gives information about the burning of ethanol

Q21 · A measuring cylinder is used to measure the volume of a liquid

Q22 · The graph represents part of the journey of a car

Q23 · A man crosses a road 8.0 m wide at a speed of 2.0 m / s

Q24 · The diagram shows a flat metal plate that may be hung from a nail so that it can rotate…

Q25 · Which type of power station does not use steam from boiling water to generate electricity?

Q26 · A man standing at the top of a cliff throws a stone

Q27 · Which substance is a liquid at a room temperature of 25 oC?

Q28 · The diagram shows a cooling unit in a refrigerator

Q29 · Rays of light enter and leave a box

Q30 · A thin converging lens is used to produce on a screen a focused image of a candle

Q31 · Two astronauts without radios can only communicate in space if their helmets are touching

Q32 · Two rods X and Y look the same

Q33 · Which circuit should be used to find the resistance of a lamp?

Q34 · The table shows the voltage and current ratings for four electric heaters

Q35 · When the circuit shown is connected with switch S open, the 6 V lamp glows

Q36 · Why are the electric lamps in a house lighting circuit normally connected in parallel?

Q37 · Charged particles are emitted from the cathode of an oscilloscope

Q38 · A radioactive source emits radiation which can pass through a sheet of paper but not…

Q39 · An unstable nucleus has 145 neutrons and 92 protons

Q40 · Which particles are found in the nucleus of an atom?

What was in this paper

This paper, other years