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8.1 Purity, formulations and chromatography

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Question 20

A manufacturer checks a sample of liquid R.

Boiling point dataTemperature in °C
Accepted boiling point of pure liquid R121
Temperatures recorded while the sample boiled117 to 124

Explain what the results show about the purity of the sample.

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Markscheme

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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