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8.1 Purity, formulations and chromatography

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Question 22

Which of these materials used in a pottery is a formulation?

[1]
A

Glaze mixed from set masses of silica, clay and a metal oxide to give a glossy coating

B

Copper oxide powder, in which copper and oxygen are bonded in a fixed ratio

C

Clay dug from the ground, which contains several minerals mixed together

D

Glaze mixed from silica, clay and a metal oxide in whatever amounts are to hand

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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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