Cambridge IGCSE Chemistry
12.4Separation and purification
Separation and purification in Cambridge IGCSE Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic57 practice questions3 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 12.4.1Describe and explain separation and purification using a suitable solvent, filtration, crystallisation, simple distillation and fractional distillation.
- 12.4.2Suggest suitable techniques to separate and purify substances, given information about them.
- 12.4.3Identify substances and judge their purity using melting point and boiling point information.
Lessons
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Fractional distillation and steam distillation
30 min
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Purity: melting points and boiling points
25 min
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Separating mixtures
30 min
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Sample question
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