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2.1 Purity and separating mixtures

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Question 24

A sample of spring water contains insoluble clay particles and dissolved magnesium compounds. The clay must be removed, but the water and magnesium compounds must be collected together.

Explain how the clay can be removed from this sample.

[3]
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2.1 Purity and separating mixtures Questions

  1. GCSE
  2. /Chemistry
  3. /2.1 Purity and separating mixtures

102 exam-style questions on OCR GCSE Chemistry 2.1 Purity and separating mixtures, covering 2.1.1 Pure substances and melting point data, 2.1.2 Relative formula mass and empirical formula, 2.1.3 Formulations as useful mixtures, 2.1.4 Techniques for separating mixtures, and 2.1.5 Chromatography and Rf values. Each one has a worked solution and a mark scheme showing where the marks go.

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