Question

Which method will you use to obtain pure alum from its solution

Answer 1

Answer: Pure alum can be obtained by the method of crystallization.

Explanation:

Crystallization is a technique which is used to separate out solute from its solution. Solute obtained is in the form of crystals.

The pure alum is obtained by the process of crystallization.

In crystallization process,

• The solution is heated till the solution becomes saturated or reduces to its half of its original volume.
• Then this saturated solution is left undisturbed to cool down.
• On cooling down, it gives out pure crystals of alum.

Answer 2

Answer:

Pure alum can be obtained by the method of crystallization

Explanation:

Crystallization is a technique which is used to separate out solute from its solution