Cambridge Olevel Chemistry revision notes

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Lesson

Lesson-2.1.4- Understand the importance of purity in substances in everyday life, e.g. foodstuffs and drugs.

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Lesson-2.1.5- Describe and explain methods of purification by the use of a suitable solvent, filtration, crystallisation and distillation (including use of a fractionating column).Previous Lesson-2.1.3- Identify substances and assess their purity from melting point and boiling point information.Next