PAPER CHROMATOGRAPHY, A coloured mixture such as ink from a pen., , A small dot of coloured liquid is placed on a line 2 cm from the bottom of a piece of chromatography paper. This is then placed into a small amount of water in a beaker and left. The mixture is dissolved by the water and moves up the paper, separating the mixture., USING A SEPARATING FUNNEL, Liquids that do not mix such as oil and water, , A mixture is put into a separating funnel, shaken and allowed to settle. The liquids form two layers. The tap in the funnel is opened and the liquid that is most dense runs out of the bottom. , DISTILLATION, A mixture of liquids such as water and ethanol with different boiling point, , Two liquids with different boiling points are heated, the liquid with the lowest boiling point will evaporate. The vapour that forms will be condensed back to liquid again on a cold surface., FILTRATION, A suspension such as mud and water or chalk and water., , The mixture is poured into a funnel fitted with a piece of filter paper. The filter paper catches the solid and the liquid can pass through, EVAPORATION, A solution such as salt water, , The mixture is heated so that the solvent evaporates, and just leaves the solid behind..

Separating mixtures

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