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3.2 Methods of separating and purifying substances

3.2 Methods of separating and purifying substances

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Question 16

A student has prepared a solution of copper(II) sulfate, CuSO4(aq)\text{CuSO}_4(\text{aq})CuSO4​(aq), by reacting excess insoluble copper(II) oxide with dilute sulfuric acid and filtering off the unreacted solid.

Describe how the student should obtain pure, dry crystals of copper(II) sulfate from this filtrate.

[2]
Markscheme

3.2 Methods of separating and purifying substances Questions

  1. GCSE
  2. /Chemistry
  3. /3.2 Methods of separating and purifying substances

107 exam-style questions on Edexcel GCSE Chemistry 3.2 Methods of separating and purifying substances, covering 3.2.1 Pure substances and mixtures, 3.2.2 Techniques for separating mixtures, 3.2.3 Paper chromatography and Rf values, and 3.2.4 Making water potable. Each one has a worked solution and a mark scheme showing where the marks go.

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