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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 3
F

A sample melts from 72 ∘C72\,^\circ\mathrm{C}72∘C to 78 ∘C78\,^\circ\mathrm{C}78∘C. This suggests the sample is

[1]
A

a pure substance with a low melting point

B

a pure element

C

a pure compound

D

a mixture

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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