filtration Sand particles (residue) remain in filter paper water particles (filtrate) pass through., Simple distillation - water has a lower boiling point than salt., Chromatography - different dyes move up the filter paper at different speeds., Dissolving - the red dye is the solute, the water is the solvent., Fractional distillation - water boils at 100 °C but ethanol boils at 78°C.

Separation techniques KS3 RGSHW Chemistry

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