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Preparation of salts: CAIE IGCSE Chemistry questions

Every CAIE IGCSE Chemistry exam question on 7.3 Preparation of salts, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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407 questions

  1. Q20

    June 2024 · Paper 1

    1 mark7.3 Preparation of salts
    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

  2. Q2(d)

    June 2024 · Paper 3

    1 mark7.3 Preparation of salts
    The whole paper ↗
    June 2024 Paper 3, question 2(d): Name a calcium salt that is soluble in water. [1]

  3. Q5(a)(i)

    June 2024 · Paper 4

    2 marks7.3 Preparation of salts
    The whole paper ↗
    June 2024 Paper 4, question 5(a)(i): Name two aqueous solutions that produce a precipitate of lead(II) bromide when they are mixed. 1 2 [2]

  4. Q5(a)(ii)

    June 2024 · Paper 4

    2 marks7.3 Preparation of salts12.4 Separation and purification
    The whole paper ↗
    June 2024 Paper 4, question 5(a)(ii): Describe how to produce a pure sample of lead(II) bromide from the mixture of aqueous solutions in (a)(i). [2]

  5. Q5(a)(iii)

    June 2024 · Paper 4

    3 marks3.1 Formulae7.3 Preparation of salts
    The whole paper ↗
    June 2024 Paper 4, question 5(a)(iii): Write an ionic equation for the precipitation reaction which produces lead(II) bromide. Include state symbols. [3]

  6. Q2(b)

    Specimen · Paper 3

    1 mark7.3 Preparation of salts
    The whole paper ↗
    Specimen Paper 3, question 2(b): Which one of these salts is soluble in water? Tick one box. barium sulfate calcium carbonate ammonium sulfate iron(II) hydroxide [1]

  7. Q4(b)(i)

    Specimen · Paper 4

    2 marks7.3 Preparation of salts
    The whole paper ↗
    Specimen Paper 4, question 4(b)(i): Suggest two observations which show that the reaction is complete in step 1. 1 2 [2]

  8. Q4(b)(ii)

    Specimen · Paper 4

    1 mark7.3 Preparation of salts
    The whole paper ↗
    Specimen Paper 4, question 4(b)(ii): State why it is important to add an excess of zinc carbonate in step 1. [1]

  9. Q4(b)(iv)

    Specimen · Paper 4

    1 mark7.3 Preparation of salts
    The whole paper ↗
    Specimen Paper 4, question 4(b)(iv): Name another zinc compound which can be used to make zinc sulfate from dilute sulfuric acid using this method. [1]

  10. Q4(b)(v)

    Specimen · Paper 4

    1 mark7.3 Preparation of salts
    The whole paper ↗
    Specimen Paper 4, question 4(b)(v): Suggest why this method would not work to make barium sulfate from barium carbonate and dilute sulfuric acid. [1]
All 10 questions on Preparation of salts, as a list
  1. June 2024, Paper 1, Q20 (1 mark): 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
  2. June 2024, Paper 3, Q2(d) (1 mark): Name a calcium salt that is soluble in water. [1]
  3. June 2024, Paper 4, Q5(a)(i) (2 marks): Name two aqueous solutions that produce a precipitate of lead(II) bromide when they are mixed. 1 2 [2]
  4. June 2024, Paper 4, Q5(a)(ii) (2 marks): Describe how to produce a pure sample of lead(II) bromide from the mixture of aqueous solutions in (a)(i). [2]
  5. June 2024, Paper 4, Q5(a)(iii) (3 marks): Write an ionic equation for the precipitation reaction which produces lead(II) bromide. Include state symbols. [3]
  6. Specimen, Paper 3, Q2(b) (1 mark): Which one of these salts is soluble in water? Tick one box. barium sulfate calcium carbonate ammonium sulfate iron(II) hydroxide [1]
  7. Specimen, Paper 4, Q4(b)(i) (2 marks): Suggest two observations which show that the reaction is complete in step 1. 1 2 [2]
  8. Specimen, Paper 4, Q4(b)(ii) (1 mark): State why it is important to add an excess of zinc carbonate in step 1. [1]
  9. Specimen, Paper 4, Q4(b)(iv) (1 mark): Name another zinc compound which can be used to make zinc sulfate from dilute sulfuric acid using this method. [1]
  10. Specimen, Paper 4, Q4(b)(v) (1 mark): Suggest why this method would not work to make barium sulfate from barium carbonate and dilute sulfuric acid. [1]

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