Part 1 of 3

Can we get the water back?

explain

Try it yourself

explain: give reasons and connect them to evidence.

Distil dilute salt water using this model. What reaches the receiver as distillate? Choose one answer, then explain how it got there.

Choose one answer1.Liquid salt2.Liquid water3.Cooling water from the jacket

Explain the two changes of state.

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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