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Water: CAIE IGCSE Chemistry questions

Every CAIE IGCSE Chemistry exam question on 10.1 Water, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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407 questions

  1. Q33

    June 2024 · Paper 2

    1 mark10.1 Water
    The whole paper ↗
    June 2024 Paper 2, question 33: Which pollutant leads to the deoxygenation of water in ponds and lakes? A fertilisers containing nitrates and phosphates B toxic metal compounds C combustion pr

  2. Q34

    June 2024 · Paper 2

    1 mark10.1 Water
    The whole paper ↗
    June 2024 Paper 2, question 34: Which statement identifies a sample of water as pure? A It melts at room temperature. B It turns anhydrous copper(II) sulfate blue. C It turns hydrated cobalt(I

  3. Q3(c)

    June 2024 · Paper 6

    2 marks10.1 Water
    The whole paper ↗
    June 2024 Paper 6, question 3(c): The observations in test 1 show that solid F is hydrated. Describe a chemical test to show that the condensation at the top of the boiling tube contains water

  4. Q30

    Specimen · Paper 1

    1 mark10.1 Water
    The whole paper ↗
    Specimen Paper 1, question 30: Which substance is beneficial to aquatic life? A dissolved oxygen B phosphates C plastics D sewage

  5. Q2(a)(v)

    Specimen · Paper 3

    1 mark10.1 Water
    The whole paper ↗
    Specimen Paper 3, question 2(a)(v): Explain why the solutions used in qualitative chemical tests are made using distilled water and not tap water. [1]

  6. Q3(c)(ii)

    Specimen · Paper 3

    1 mark10.1 Water
    The whole paper ↗
    Specimen Paper 3, question 3(c)(ii): State the boiling point of pure water at room temperature and pressure. °C [1]
All 6 questions on Water, as a list
  1. June 2024, Paper 2, Q33 (1 mark): Which pollutant leads to the deoxygenation of water in ponds and lakes? A fertilisers containing nitrates and phosphates B toxic metal compounds C combustion pr
  2. June 2024, Paper 2, Q34 (1 mark): Which statement identifies a sample of water as pure? A It melts at room temperature. B It turns anhydrous copper(II) sulfate blue. C It turns hydrated cobalt(I
  3. June 2024, Paper 6, Q3(c) (2 marks): The observations in test 1 show that solid F is hydrated. Describe a chemical test to show that the condensation at the top of the boiling tube contains water
  4. Specimen, Paper 1, Q30 (1 mark): Which substance is beneficial to aquatic life? A dissolved oxygen B phosphates C plastics D sewage
  5. Specimen, Paper 3, Q2(a)(v) (1 mark): Explain why the solutions used in qualitative chemical tests are made using distilled water and not tap water. [1]
  6. Specimen, Paper 3, Q3(c)(ii) (1 mark): State the boiling point of pure water at room temperature and pressure. °C [1]

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