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O Level Combined Science 5129 · Topic 13

States of matter: past paper questions

79 real questionsasked in 10 of the last 10 exam series2019–2025usually: State, Name, Explain, Describe, Calculate

Real questions on states of matter

The newest 20 of 57 written questions, plus 22 multiple-choice. Open one to see it on the real paper.

  1. 5129/22 · October/November 2025 · Q11a(i)[1]

    Complete Fig. 11.1 by drawing the arrangement of nine atoms in solid aluminium in the box provided. One atom has been drawn for you. one aluminium atom

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  2. 5129/22 · October/November 2025 · Q11a(ii)[1]

    Describe the motion of aluminium atoms in solid aluminium.

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  3. 5129/31 · October/November 2025 · Q3a(i)[2]

    State the precision of the ruler in Fig. 3.2.

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  4. 5129/31 · May/June 2025 · Q2b(i)[1]

    Steam is produced when a hydrocarbon burns. Name the liquid seen in apparatus C in Fig. 2.1 and describe its appearance. name appearance

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  5. 5129/32 · May/June 2025 · Q1a(i)[1]

    State the name of the apparatus the student uses to measure the mass of a carrot cylinder.

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  6. 5129/32 · May/June 2025 · Q1a(ii)[2]

    The student’s results are shown in Table 1.1. The concentration of sodium chloride solution is measured in units of mol / dm 3 . Complete Table 1.1 by using the information in it to calculate: • • the final mass of the carrot cylinder placed in 0.6 mol / dm 3 the percentage change in mass of the carrot cylinder placed...

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  7. 5129/32 · May/June 2025 · Q1a(iii)[3]

    On the grid provided in Fig. 1.2 on page 5 plot a graph of the concentration of sodium chloride solution on the x-axis against the percentage change in mass on the y-axis. Draw a line of best fit through your points. Label both axes. 15 10 5 0 –5 –10 –15 –20 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Fig. 1.2

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  8. 5129/32 · May/June 2025 · Q1b[1]

    Suggest how the student can improve the accuracy of the measurements.

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  9. 5129/32 · May/June 2025 · Q2a[3]

    B A (a) Name the apparatus labelled A, B and C.

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  10. 5129/32 · May/June 2025 · Q2d(i)[1]

    Fig. 2.3 shows apparatus B at the end of the experiment. 0 cm 3 mixture of nitrogen and inert gases 10 B 30 40 C 50 water Fig. 2.3 Determine the volume of nitrogen and inert gases in apparatus B. volume of nitrogen and inert gases = cm 3 20

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  11. 5129/21 · October/November 2024 · Q13b(iii)[1]

    Methane has a melting temperature of –182.0 °C and a boiling temperature of –161.5 °C. Name the state of methane at –170.0 °C.

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  12. 5129/22 · October/November 2024 · Q12b(ii)[1]

    Ethene has a boiling point of –103.7 °C. Name the state of ethene at –90.0 °C.

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  13. 5129/22 · October/November 2024 · Q12b(iii)[1]

    Explain why ethene has a low boiling point.

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  14. 5129/21 · May/June 2024 · Q12a(i)[1]

    Name the piece of apparatus labelled A in Fig. 12.1.

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  15. 5129/22 · May/June 2024 · Q7a(i)[1]

    the distance between the molecules

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  16. 5129/22 · May/June 2024 · Q7a(ii)[1]

    the movement of the molecules changes from to

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  17. 5129/22 · May/June 2024 · Q7a(iii)[1]

    the forces between the molecules .

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  18. 5129/22 · May/June 2024 · Q7b[2]

    Explain, in terms of molecules, why the increase in temperature from –79 °C to –78.5 °C causes the solid carbon dioxide to become a gas.

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  19. 5129/22 · May/June 2024 · Q10a[2]

    Use ideas about convection to explain why all the air in a fridge becomes cold when the freezer compartment is placed at the top.

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  20. 5129/22 · May/June 2024 · Q10b[2]

    The fridge uses, on average, 133 kW h of energy per year. The cost of 1 kilowatt-hour (kW h) is 15 cents. Calculate the average cost, in cents, of using the fridge for one day. There are 365 days in a year. cost = cents per day

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What examiners said

Most candidates could name the Sun as a renewable source of energy that emits infrared radiation.

— Examiner report, October/November 2023, 5129/21 Q7(b)(i) (Cambridge)

Candidates should learn that alpha radiation can also be detected in a cloud chamber or by a spark counter.

— Examiner report, October/November 2023, 5129/21 Q16(b) (Cambridge)

Many candidates were able to identify the apparatus as a conical flask.

— Examiner report, October/November 2023, 5129/31 Q3(a)(i) (Cambridge)

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States of matter — O Level Combined Science 5129 past paper questions | AssessPro