SEPARATING INSOLUBLE SUBSTANCES

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SeparatingSoluble and Insoluble substances

To describe techniques used to separate matter as soluble and insoluble substances in solutions

Skill

Separating insoluble substances

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If a substance does not dissolve in a solvent, we say that it is insoluble. For example, sand does not dissolve in water – it is insoluble.

E.g sand and water is filtered

Filtration

Filtration is a method for separating an insoluble solid from a liquid.

Sedimentation

Something that settles to the bottom

Separating soluble substances

1.

Evaporation is used to separate a soluble solid from a liquid.

Evaporation

Simple Destillation

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how destillation works?

It is often used when the dissolved substances are coloured, such as inks, food colourings and plant dyes.

Chromatography

what is it?

Chromatography

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