Separation and purification (12.4) | Cambridge IGCSE (9–1) Chemistry 0971 (Extended) (2026–2028) | KnowledgeSet

Separation and purification

Chemistry · IGCSE · Cambridge · Cambridge IGCSE (9–1) Chemistry 0971 (Extended) (2026–2028) · Specification point · 12.4 · Experimental techniques and chemical analysis

Separation using a suitable solvent

Filtration

Crystallisation

Simple distillation

Fractional distillation

Selecting separation and purification techniques

Identification and purity from melting and boiling points

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Learning Objectives

12.4 Separation and purification

Core	Supplement
$1 Describe and explain methods of separation and purification using: (a) a suitable solvent (b) filtration (c) crystallisation (d) simple distillation (e) fractional distillation$
$2 Suggest suitable separation and purification techniques, given information about the substances involved$
$3 Identify substances and assess their purity using melting point and boiling point information$