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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