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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 25

When sodium carbonate solution is mixed with calcium chloride solution, a white precipitate of calcium carbonate is formed in the beaker.

Describe how to obtain a pure, dry sample of calcium carbonate from the mixture in the beaker.

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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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