Crystallisation
What Crystallisation means in Combined Science GCSE, as defined for AQA.
Definitions of Crystallisation
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Reference: AQA
Recovers a dissolved salt from its solution by removing the solvent, causing the dissolved salt to exceed its solubility and precipitate out as solid crystals.
Evaporating some solvent from a solution and then cooling or leaving it so crystals of the dissolved solid form.
Topics that use Crystallisation
- Mixtures (AQA GCSE)
- Soluble salts (AQA GCSE)
Related terms
- filtration
- Chromatography
- filtrate
- gentle evaporation
- Justifying practical choices from data
- Mixture
- Mixtures and purity
- Physical changes
Using Crystallisation in the exam
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