Physical and chemical changes: past paper questions

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• Question 15May/June 2026, paper 11Multiple choice1 markHas a diagram

  Which row describes a chemical change?

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• Question 15Oct/Nov 2025, paper 12Multiple choice1 markHas a diagram

  In which test-tube is a physical change taking place?

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• Question 15Oct/Nov 2024, paper 12Multiple choice1 mark

  Which process involves a chemical change?

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• Question 15Oct/Nov 2025, paper 13Multiple choice1 mark

  Some physical and chemical changes are listed. 1 rusting of iron 2 condensing of steam 3 dissolving of sugar in water 4 cracking of alkanes Which changes are physical changes?

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• Question 15Oct/Nov 2024, paper 13Multiple choice1 mark

  Which process is a chemical change?

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• Question 29Oct/Nov 2025, paper 13Multiple choice1 markHas a diagram

  Two reactions, M and N, both form carbon dioxide.

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• Question 16Oct/Nov 2024, paper 23Multiple choice1 mark

  Which process involves a physical change only?

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• Question 7Oct/Nov 2025, paper 32Structured8 marksHas a diagram

  Fig. 7.1 shows the apparatus used to pass electricity through molten magnesium chloride using platinum electrodes. Name the process shown in Fig. 7.1.

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• Question 1May/June 2023, paper 21Multiple choice1 markHas a diagram

  The diagram shows the result of dropping a purple crystal into water. Which processes take place in this experiment?

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• Question 7Oct/Nov 2025, paper 33Structured8 marksHas a diagram

  Fig. 7.1 shows the apparatus used to electroplate a nickel object with copper. Fig. 7.1 Label the anode in Fig. 7.1.

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• Question 13May/June 2024, paper 11Multiple choice1 markHas a diagram

  Which diagram represents a chemical change?

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• Question 6May/June 2023, paper 22Multiple choice1 mark

  Which equation represents a chemical change?

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• Question 14May/June 2025, paper 11Multiple choice1 mark

  When a small piece of a Group I metal is placed into a large beaker of cold water, a reaction occurs. Four statements about this reaction are listed. 1 The metal melts.

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• Question 16May/June 2024, paper 12Multiple choice1 mark

  Which of the processes produces a physical change?

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• Question 1May/June 2023, paper 41Structured6 marks

  Some symbol equations and word equations, A to J, are shown.

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• Question 15May/June 2024, paper 13Multiple choice1 mark

  Which process is a physical change?

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• Question 13May/June 2025, paper 13Multiple choice1 mark

  When ammonium nitrate is added to water, the temperature of the mixture decreases. The ammonium nitrate can be recovered by evaporating the water. Which statement explains these observations?

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• Question 17May/June 2024, paper 21Multiple choice1 mark

  When calcium carbonate is heated strongly, a gas is given off. Which word describes this change?

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• Question 7May/June 2025, paper 32Structured9 marksHas a diagram

  Select two processes that show a chemical change.

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• Question 6May/June 2025, paper 33Structured5 marksHas a diagram

  This question is about chemical reactions and their energy changes. Tick (✓) one box that shows a chemical change. boiling ethanol decomposing vegetation dissolving salt mixing ink and water

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