Question

What is crystallisation? Name any three substances which can be purified
using this technique.
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Answer 1

Explanation:

Crystallisation is a chemical process used to obtain pure copper sulphate from the impure solution. Potash alum, tetraamine copper sulphate, baking soda are the three substances that can be purified using crystallization.

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Answer 2

Explanation:

Crystallisation is a chemical process used to obtain pure copper sulphate from the impure solution. Potash alum, tetraamine copper sulphate, baking soda are the three substances that can be purified using crystallization.