Students should: 1.10 describe these experi...
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Crystallisation can be used to separate a solid solute from its solvent. Re-crystallisation is used to purify samples obtained in the laboratory. But what is a crystal? 

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 Find out about fractional distillation ; why it is different from simple distillation and how it can be used industrially

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Distillation is used to separate liquids from one another.  Visit this page to see distillation in the laboratory and look at an industrial scale process.

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Chromatography is another important separation technique. Several different types of chromatography exist.  

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Filtration can be a simple technique used to separate insoluble solids from a mixture or suspension. It has a lot of everyday applications.

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compounds, elements or mixtures ?

  Sun and air? Study the seaside image for a ...
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Sun and air ​Study the seaside image for a fe...
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