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Filtration and crystallisation


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Soluble
Describes a substance that can be dissolved in a certain liquid.
Insoluble
Describes a substance that cannot be dissolved in a certain liquid.
Solution
Formed when a substance has dissolved in a liquid.
Solute
Substance that dissolves in a liquid to make a solution.
Solvent
The liquid in which a solute dissolves to make a solution.
Saturated solution
Contains the maximum amount of solute that can dissolve in that amount of solvent at that temperature.
Filtration
Using a filter to separate insoluble substances from a liquid.
Filtrate
Solution passing through a filter.
Residue
Material remaining in the filter after mixture has passed through it.
Crystallisation
Separating the solute from a solution by evaporating the solvent.
Risk
The chance of a hazard causing harm.
Risk assessment
Identification of the hazards of doing an experiment.