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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 35

Many materials we use in daily life consist of multiple substances grouped together that are not chemically combined.

Which of the following is a mixture of substances?

A

Crude oil

B

Distilled water

C

Iron

D

Carbon dioxide

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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