Separation of mixtures

Question	Answer
Filtration	To separate an undissolved solid from a mixture of it and a solution. E.g. sand from a mix of sand and water
Evaporation	To obtain a dissolved solid from a mixture of the solvent and the solution. E.g. sodium chloride from sodium chloride and water
Crystallisation	To obtain a dissolved solid when the solid has different solubility's in hot and cold solvent. E.g. Copper (ll) sulfate from itself and water
Simple distallation	To obtain a liquid when in a solution. E.g. water from sodium chloride solution
Fractional distallation	To obtain two or more liquids that are miscible together (mixed/in a solution together).E.g. water and ethanol from a solution of water and ethanol
Paper Chromotography	To separate substances that have different solubility's in a given substance. E.g different inks from a black ink pen

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	Created by helensellers75 over 10 years ago