Question

Crystallisation is often used for purification of _____​

Answer 1

Answer:

a solid

Explanation:

it is used to purify a solid using a suitable solvent.

Answer 2

Answer:

Crystallization is a common technique used to purify solids. Two common methods of crystallization are “gradual cooling” and “diffusion”. Gradual cooling involves dissolving the impure solid in a minimum amount of a hot solvent and allowing the resulting solution to cool slowly to room temperature.