Mixtures

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How does filtration work?
Filter paper contains very small holes/pores which allow the liquid particles ti pass through but not the larger insoluble particles.
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How does crystallisation work?
The impure solid is dissolved in a solvent. The solution is then heated to evaporate most of the solvent. The hot solution is allowed to cool. The solid appears as pure crystals. The cold solution is poured off to obtain the crystals.
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How does simple distillation work?
The solution in the distilling flask is heated until it is boiled. (Salt) remains in the flask as it has a higher boiling point. When (water) boils, it changes into steam. The steam cools down and changes into liquid when it reaches the condenser.
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How does fractional distillation work?
The liquid with a higher boiling point tends to condense first. The liquid with lower boiling point moves further up the column. The liquid with a lower boiling point would distil over first, which effectively separates the two liquids.
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CHROMATOGRAPHY IS ALREADY PRINTED
CHROMATOGRAPHY IS ALREADY PRINTED
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Other cards in this set

Card 2

Front

How does crystallisation work?

Back

The impure solid is dissolved in a solvent. The solution is then heated to evaporate most of the solvent. The hot solution is allowed to cool. The solid appears as pure crystals. The cold solution is poured off to obtain the crystals.

Card 3

Front

How does simple distillation work?

Back

Preview of the front of card 3

Card 4

Front

How does fractional distillation work?

Back

Preview of the front of card 4

Card 5

Front

CHROMATOGRAPHY IS ALREADY PRINTED

Back

Preview of the front of card 5

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