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Identification of common gases: AQA GCSE Chemistry questions

Every AQA GCSE Chemistry exam question on 4.8.2 Identification of common gases, 2018–2025, with its mark scheme and examiner’s report.

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1,744 questions

  1. Q05.3

    June 2025 · Paper 2 Higher

    2 marks4.8.2 Identification of common gases
    The whole paper ↗
    June 2025 Paper 2 Higher, question 05.3: Describe the test for chlorine. Give the result of the test. [2 marks] Test Result

  2. Q06.5

    June 2025 · Paper 2 Higher

    2 marks4.8.2 Identification of common gases4.8.3 Identification of ions by chemical and spectroscopic means
    The whole paper ↗
    June 2025 Paper 2 Higher, question 06.5: Describe a test on the bubbles of gas that confirms that solution C contained carbonate ions. Give the result of the test. [2 marks] Test Result

  3. Q02.3

    June 2024 · Paper 2 Higher

    2 marks4.8.2 Identification of common gases
    The whole paper ↗
    June 2024 Paper 2 Higher, question 02.3: Describe the test for oxygen gas. Give the result if oxygen gas is present. [2 marks] Test Result

  4. Q06.2

    June 2024 · Paper 2 Foundation

    1 mark4.8.2 Identification of common gases
    The whole paper ↗
    June 2024 Paper 2 Foundation, question 06.2: What is used to identify chlorine? [1 mark] Tick () one box. A lighted splint Damp litmus paper Limewater

  5. Q09.3

    June 2024 · Paper 2 Foundation

    2 marks4.8.2 Identification of common gases
    The whole paper ↗
    June 2024 Paper 2 Foundation, question 09.3: Describe the test for oxygen gas. Give the result if oxygen gas is present. [2 marks] Test Result

  6. Q01.4

    June 2023 · Paper 2 Higher

    2 marks4.8.2 Identification of common gases
    The whole paper ↗
    June 2023 Paper 2 Higher, question 01.4: Hydrogen gas is produced during this reaction. Describe the test for hydrogen gas. Give the result of the test. [2 marks] Test Result

  7. Q02.4

    June 2023 · Paper 2 Higher

    1 mark4.8.2 Identification of common gases
    The whole paper ↗
    June 2023 Paper 2 Higher, question 02.4: Complete the sentence. Choose the answer from the box. [1 mark] calcium chloride calcium hydroxide calcium nitrate calcium sulfate Limewater is an aqueous solut

  8. Q02.5

    June 2023 · Paper 2 Higher

    1 mark4.8.2 Identification of common gases
    The whole paper ↗
    June 2023 Paper 2 Higher, question 02.5: Give the result of the test when carbon dioxide is bubbled through limewater. [1 mark]

  9. Q01.6

    June 2023 · Paper 2 Foundation

    1 mark4.8.2 Identification of common gases
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 01.6: The student tested the gas produced. What is used to prove that the gas is oxygen? [1 mark] Tick () one box. A glowing splint Bromine water Damp litmus paper

  10. Q08.4

    June 2023 · Paper 2 Foundation

    2 marks4.8.2 Identification of common gases
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 08.4: Hydrogen gas is produced during this reaction. Describe the test for hydrogen gas. Give the result of the test. [2 marks] Test Result

  11. Q09.4

    June 2023 · Paper 2 Foundation

    1 mark4.8.2 Identification of common gases
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 09.4: Complete the sentence. Choose the answer from the box. [1 mark] calcium chloride calcium hydroxide calcium nitrate calcium sulfate Limewater is an aqueous solut

  12. Q09.5

    June 2023 · Paper 2 Foundation

    1 mark4.8.2 Identification of common gases
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 09.5: Give the result of the test when carbon dioxide is bubbled through limewater. [1 mark]

  13. Q05.6

    June 2022 · Paper 2 Higher

    2 marks4.8.2 Identification of common gases
    The whole paper ↗
    June 2022 Paper 2 Higher, question 05.6: Chlorine is also used to treat some ground water. Describe the test for chlorine gas. Give the result of the test. [2 marks] Test Result

  14. Q03.5

    November 2021 · Paper 2 Foundation

    2 marks4.8.2 Identification of common gases
    The whole paper ↗
    November 2021 Paper 2 Foundation, question 03.5: Chlorine gas is used to produce poly(chloroethene). Describe a test to identify chlorine gas. Give the result of the test. [2 marks] Test Result

  15. Q09.1

    November 2020 · Paper 2 Higher

    2 marks4.8.2 Identification of common gases4.9.1 The composition and evolution of the Earth's atmosphere
    The whole paper ↗
    November 2020 Paper 2 Higher, question 09.1: Describe a test that would identify the gas collected. Give the result of the test. [2 marks] Test Result

  16. Q03.2

    November 2020 · Paper 2 Foundation

    1 mark4.8.2 Identification of common gases
    The whole paper ↗
    November 2020 Paper 2 Foundation, question 03.2: Carbon dioxide gas is produced in the reaction between hydrochloric acid and calcium carbonate. Which test is used to identify carbon dioxide gas? [1 mark] Tick

  17. Q07.7

    Specimen · Paper 2 Higher

    4 marks4.7.2 Reactions of alkenes and alcohols4.8.2 Identification of common gases
    The whole paper ↗
    Specimen Paper 2 Higher, question 07.7: Two students tested a green compound X. The students added water to compound X. Compound X did not dissolve. The students then added a solution of ethanoic acid

  18. Q01.3

    Specimen · Paper 2 Foundation

    1 mark4.8.2 Identification of common gases
    The whole paper ↗
    Specimen Paper 2 Foundation, question 01.3: What is the test for chlorine gas? [1 mark] Tick one box. A glowing splint relights A lighted splint gives a pop Damp litmus paper turns white Limewater turns m
All 18 questions on Identification of common gases, as a list
  1. June 2025, Paper 2 Higher, Q05.3 (2 marks): Describe the test for chlorine. Give the result of the test. [2 marks] Test Result
  2. June 2025, Paper 2 Higher, Q06.5 (2 marks): Describe a test on the bubbles of gas that confirms that solution C contained carbonate ions. Give the result of the test. [2 marks] Test Result
  3. June 2024, Paper 2 Higher, Q02.3 (2 marks): Describe the test for oxygen gas. Give the result if oxygen gas is present. [2 marks] Test Result
  4. June 2024, Paper 2 Foundation, Q06.2 (1 mark): What is used to identify chlorine? [1 mark] Tick () one box. A lighted splint Damp litmus paper Limewater
  5. June 2024, Paper 2 Foundation, Q09.3 (2 marks): Describe the test for oxygen gas. Give the result if oxygen gas is present. [2 marks] Test Result
  6. June 2023, Paper 2 Higher, Q01.4 (2 marks): Hydrogen gas is produced during this reaction. Describe the test for hydrogen gas. Give the result of the test. [2 marks] Test Result
  7. June 2023, Paper 2 Higher, Q02.4 (1 mark): Complete the sentence. Choose the answer from the box. [1 mark] calcium chloride calcium hydroxide calcium nitrate calcium sulfate Limewater is an aqueous solut
  8. June 2023, Paper 2 Higher, Q02.5 (1 mark): Give the result of the test when carbon dioxide is bubbled through limewater. [1 mark]
  9. June 2023, Paper 2 Foundation, Q01.6 (1 mark): The student tested the gas produced. What is used to prove that the gas is oxygen? [1 mark] Tick () one box. A glowing splint Bromine water Damp litmus paper
  10. June 2023, Paper 2 Foundation, Q08.4 (2 marks): Hydrogen gas is produced during this reaction. Describe the test for hydrogen gas. Give the result of the test. [2 marks] Test Result
  11. June 2023, Paper 2 Foundation, Q09.4 (1 mark): Complete the sentence. Choose the answer from the box. [1 mark] calcium chloride calcium hydroxide calcium nitrate calcium sulfate Limewater is an aqueous solut
  12. June 2023, Paper 2 Foundation, Q09.5 (1 mark): Give the result of the test when carbon dioxide is bubbled through limewater. [1 mark]
  13. June 2022, Paper 2 Higher, Q05.6 (2 marks): Chlorine is also used to treat some ground water. Describe the test for chlorine gas. Give the result of the test. [2 marks] Test Result
  14. November 2021, Paper 2 Foundation, Q03.5 (2 marks): Chlorine gas is used to produce poly(chloroethene). Describe a test to identify chlorine gas. Give the result of the test. [2 marks] Test Result
  15. November 2020, Paper 2 Higher, Q09.1 (2 marks): Describe a test that would identify the gas collected. Give the result of the test. [2 marks] Test Result
  16. November 2020, Paper 2 Foundation, Q03.2 (1 mark): Carbon dioxide gas is produced in the reaction between hydrochloric acid and calcium carbonate. Which test is used to identify carbon dioxide gas? [1 mark] Tick
  17. Specimen, Paper 2 Higher, Q07.7 (4 marks): Two students tested a green compound X. The students added water to compound X. Compound X did not dissolve. The students then added a solution of ethanoic acid
  18. Specimen, Paper 2 Foundation, Q01.3 (1 mark): What is the test for chlorine gas? [1 mark] Tick one box. A glowing splint relights A lighted splint gives a pop Damp litmus paper turns white Limewater turns m

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