Question

What are the uses of potash alum?

• A. Purification of impure water
• B. Used for catalysis
• C. Used for stopping bleeding
• D. Used in dyeing industry

Answer 1

Answer: (A), (C), (D)

The correct options are
A Purification of impure water
C Used for stopping bleeding
D Used in dyeing industry

Option $\left(A\right),\left(C\right),\left(D\right)$ are correct.

Potash alum is used for purification of impure water, stops bleeding, as mordant for dyeing industry, leather tanning, fireproof textiles, and baking powder. It also has cosmetic uses as a deodorant, as an aftershave treatment.