May/June 2026 Paper 23

2026 · 40 questions · 40 parts · 40 marks

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39ChromatographyEasy1 mark
The diagram shows a chromatography experiment.
Which label shows the solvent front?
chromatography tank with a paper strip carrying two spots, labels A (top of paper), B (upper spot), C (baseline) and D (solvent surface) pointing to different heights, with a pool of solvent at the base