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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 6
F

Which substance is matched with the best method for obtaining it from the mixture?

[1]
A

water from sea water, by filtration

B

hydrated copper sulfate crystals from its solution, by evaporating to dryness

C

ethanol from a mixture of ethanol and water, by simple distillation

D

water from a solution of ink, by simple distillation

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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