Return after a break
What can you recall?
Identify / Explain
Recall and explain
Identify: name or select. Explain: give reasons and connect them to evidence.
Keep the lesson closed. A lab note says: ‘Solid benzoic acid dissolved completely in liquid ethanol.’ Identify the solvent and use the note to explain your choice.
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Scope and sources
Cambridge IGCSE Chemistry 0620 · 2026–2028 v2 · Original learning materials.
Solvent, solute, solution, residue and filtrate; selective dissolution, filtration and bounded method choice. The experiment includes magnetic collection and salt recovery. Saturation, full crystallisation, distillation and chromatography need later lessons.
Apparatus, amounts and times in the experiment are illustrative. Real practical work follows a teacher-approved safety method.
Official Cambridge syllabus