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Daily Problem·Friday, 4 October 2024Back to today

Choose the right separation

GCSE · Combined Science · OCR · C2.1 — Purity and separating mixtures: filtration, crystallisation, distillation, chromatography and pure substances

Question

OCR Paper C1 (Foundation)

Which separation technique would you use for each:

(a) Sand from sandy water (1 mark) (b) Pure water from sea water (1 mark) (c) Salt crystals from salt solution (1 mark) (d) Coloured dyes from black ink (1 mark)

4 marks · take your time before peeking.

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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.