Question

5.
What is crystallisation? Name any three substances which can be purifie
using this technique.
​

Answer 1

Answer:

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.

Answer 2

Answer:

crystallization is the change of liquid in to solid