Part 3 of 3

Which method fits this mixture?

identify

Try it yourself

identify: name or select.

Match each sample and product goal to a suitable method. Use the component properties, rather than the liquid's appearance.

Match each item

Insoluble sand in water; keep sand

Nonvolatile dissolved salt; keep water

Two miscible volatile liquids; compare enriched fractions

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Scope and sources

Cambridge IGCSE Chemistry 0620 · 2026–2028 v2 · Original learning materials.

0620 12.4.1(d/e): simple and fractional distillation; bounded12.4.2 method selection. Nonvolatile salt solution and a hypothetical miscible non-azeotropic A/B mixture. No petroleum fractions, complete purity testing or quantitative equilibrium.

Apparatus, amounts and times in the experiment are illustrative. Real practical work follows a teacher-approved safety method.

Official Cambridge syllabus