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8.1 Purity, formulations and chromatography

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Question 10
F

In a chromatography experiment the solvent in the beaker must be below the start line.

Why is this important?

[1]
A

So the paper does not bend over inside the beaker

B

So the solvent travels up the paper more slowly

C

So the spots do not dissolve straight into the solvent

D

So the solvent reaches the top of the paper evenly

Markscheme

8.1 Purity, formulations and chromatography Questions

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

40 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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