Question

Q.22) Crystallization process can not be used for a. Purification of salt obtained sea water
 b. Separation of alum from impure samples
 c. Purifying water in water treatment plant
 d. Purification of common salt from ammonium chloride​

Answer 1

Answer:

I think it's

c. purifying water in water treatment plant

Answer 2

Answer:

d is correct answer

Explanation:

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