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CAIE IGCSE Chemistry questions by topic

Every question from the CAIE IGCSE Chemistry (0620 and 9–1 0971) papers Cambridge International publishes, June 2024 and the specimen papers, part by part. Cambridge keeps its other papers on its School Support Hub, for schools. Filter by topic or paper, open the mark scheme under any question, and download a set as a PDF.

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Calculations

407 questions

  1. Q1

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 1: The boiling point of sodium is 890 °C. 1 What happens to sodium atoms as the temperature of a sample of sodium changes from 950 °C to 900 °C? The atoms move mor
  2. Q2

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 2: Which row shows the conditions for the particles of a gas colliding most frequently? pressure temperature A high high B high low C low high D low low
  3. Q3

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 3: The diagram shows some properties of particles in an atom. To which labelled part of the diagram do electrons belong? found outside nucleus A C B relative mass
  4. Q4

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 4: Some properties of substances W, X, Y and Z are shown. melting point/ °C electrical conductivity W 801 conducts when molten X –182 does not conduct Y 840 conduc
  5. Q5

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 5: Atoms lose or gain electrons to become ions. Which row is correct? change to the atom type of ion charge on ion A loss of two electrons cation 2– B loss of one
  6. Q6

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 6: A covalent molecule, M, contains four shared pairs of electrons. What is M? A ammonia, NH3 B hydrogen chloride, HCl C methane, CH4 D water, H2O
  7. Q7

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 7: Which substance has a giant covalent structure? A sodium chloride B sodium C ethane D diamond
  8. Q8

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 8: Iron(III) oxide is reduced by carbon monoxide to produce iron and carbon dioxide. What is the balanced equation for this reaction? A Fe2O3 + 2CO → 2Fe + 2CO2 B
  9. Q9

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 9: The equation for the reaction between magnesium and dilute hydrochloric acid is shown. Mg + 2HCl → MgCl 2 + H2 Which mass of magnesium chloride is formed when 4
  10. Q10

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 10: Dilute sulfuric acid and lead(II) bromide are electrolysed separately. Which statements are correct? Colourless gases are produced when dilute sulfuric acid is
  11. Q11

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 11: Which statements about a hydrogen–oxygen fuel cell are correct? 1 The main form of energy released by the fuel cell is heat. 2 The reaction is a redox reaction.
  12. Q12

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 12: Which row describes what happens during an endothermic reaction? thermal energy is change in temperature of transferred the reaction mixture A from the surround
  13. Q13

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 13: Which diagram represents a chemical change? A B C D
  14. Q14

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 14: A method used to investigate the rate of reaction of calcium carbonate with dilute hydrochloric acid under different conditions is shown. Place 50cm3 of dilute
  15. Q15

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 15: The rate of reaction between magnesium and hydrochloric acid is investigated. The total volume of hydrogen given off is measured at different times. A graph of
  16. Q16

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 16: Water is added to anhydrous copper(II) sulfate. Which row describes the direction of energy change and the colour change of the mixture during the reaction? dir
  17. Q17

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 17: Which equation represents an oxidation reaction? A CaCO3 → CaO + CO2 B 4FeO + O2 → 2Fe2O3 C 2NO2 → N2O4 D 2P2O5 → P4O10
  18. Q18

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 18: A farmer treats a field with calcium hydroxide to make it less acidic. When the farmer adds ammonium nitrate fertiliser to the field immediately after the calci
  19. Q19

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 19: Which statement about sodium oxide or nitrogen dioxide is correct? A Nitrogen dioxide is a solid at room temperature. B Nitrogen dioxide is acidic. C Sodium oxi
  20. Q20

    June 2024 · Paper 1

    1 mark
    The whole paper ↗
    June 2024 Paper 1, question 20: A titration method is used to prepare a pure soluble sulfate salt from dilute sulfuric acid. What is the other reagent? A copper(II) oxide B magnesium C sodium

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