Chemistry GCSE
Crystallisation
What Crystallisation means in Chemistry GCSE, as defined for AQA.
Definitions of Crystallisation
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Reference: AQA
The process in which a salt solution is warmed to evaporate some water, raising the concentration until saturated, then cooled so that crystals of the salt form.
Evaporating some solvent to form a saturated solution, then cooling or leaving it so crystals of the dissolved solid form.
Recovers a dissolved solid by evaporating some solvent then leaving crystals to form.
Topics that use Crystallisation
- Mixtures (AQA GCSE)
- Soluble salts (AQA GCSE)
Related terms
- Filtration
- Acid reactions with insoluble bases
- Chemical versus physical properties
- Chromatography
- Conservation of chemical identity in mixtures
- Contrast between mixtures and compounds
- Evidence for no new substance
- Evidence from characteristic reactions and tests
Using Crystallisation in the exam
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