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8.1 Purity, formulations and chromatography

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Question 33

A technician moves a magnet over a grey powder. Some particles are attracted to the magnet and are removed. A different solid remains in the tray.

Explain what these observations show about the chemical purity of the original powder.

[2]
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8.1 Purity, formulations and chromatography Questions

  1. GCSE
  2. /Chemistry
  3. /8.1 Purity, formulations and chromatography

113 exam-style questions on AQA GCSE Chemistry 8.1 Purity, formulations and chromatography, covering 8.1.1 Pure substances, 8.1.2 Formulations, and 8.1.3 Chromatography. Each one has a worked solution and a mark scheme showing where the marks go.

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