homework

chromotography

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• Caption: example of chromotography
• Chromatography is method of separation that is used to separate two substances by making them move through one another .

Evaporation

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• Caption: example of evaporation
• Evaporation is when a liquid turns in to a gas because of the heat then the only thing that remains is the substance mixed in it.

Crystallisation

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• Crystallisation is a separation technique that is used to separate a solid that has dissolved in a liquid and made a solution the solution is warmed in an open container then allowed the solvent to evaporate leaving a saturated solution.
• Caption: example of Crystallisation

Distillation

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• Distillation is a process that can be used to separate a pure liquid from a mixture of liquids it uses both evaporation and condensation to separate it.
• Caption: example of Distillation