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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 8
F

A mixture contains sand, sodium chloride and water. Which sequence obtains dry salt?

[1]
A

Filter, then crystallise the filtrate

B

Distil, then filter the distillate

C

Evaporate to dryness, then filter

D

Crystallise first, then filter the sand from the crystals

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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