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Purity and separating mixtures

Purity and separating mixtures

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Question 11

A student separates a mixture of plant pigments using paper chromatography.

She spots the mixture onto a pencil line near the bottom of a strip of chromatography paper. She then suspends the paper in a beaker containing ethanol.

Which of the following is the mobile phase?

A

Chromatography paper

B

Ethanol

C

Pencil line

D

Plant pigments

Markscheme

Purity and separating mixtures Questions

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

46 exam-style questions on OCR GCSE Chemistry Purity and separating mixtures. Each one has a worked solution and a mark scheme showing where the marks go.

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