Filtration and Crystallisation

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5 Terms

1
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When is filtration used?

Filtration is used to separate an insoluble solid from a liquid

2
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How do you do filtration?

Put some filter paper into a funnel and place over a beaker. then pour mixture into it.

3
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When is crystallisation used?

to separate a soluble solid from a solution

4
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How do you do crystallisation?

put the solution in an evaporating dish. Heat it until a saturated solution is formed. Leave the dish to cool and the salt should start to form crystals. decant any remaining liquid out of the solution.

5
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Describe the rock salt experiment

grind up the rock salt. Dissolve it in a beaker, filter it using filtration and then crystalize the solution.