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Cambridge IGCSE chemistry

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  1. States of matter
    States of matter
    3 Topics
  2. Changing state
    5 Topics
  3. Diffusion
    4 Topics
  4. Experimental techniques
    Taking measurements
    4 Topics
  5. Separation and purification
    4 Topics
    1. Purity
    2. Simple distillation
    3. Fractional distillation
    4. Filtration and crystallisation
  6. Chromatography
    2 Topics
Cambridge IGCSE chemistry Separation and purification
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Lesson 5 of 6
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Separation and purification

Learning objectives:

  • Describe:

(a) residue as a substance that remains after evaporation, filtration etc

(b) filtrate as a liquid or solution that has passed through a filter 

  • Describe and explain methods of separation and purification using 

(a) suitable solvent

(b) filtration

(c) crystallisation 

(d) simple distillation

(e) fractional distillation

  • Suggest suitable separation and purification techniques given information about the substances involved