Question

In water purification alum is added during the process of

Answer 1

Answer:

Aluminium Sulfate, Shortly known as Alum, when added to raw water reacts with the bicarbonate alkalinities present in water and forms a gelatinous precipitate. This floc attracts other fine particles and suspended material in raw water, and settles down at the bottom of the container.

Answer 2

Answer:

WATER PURIFICATION

Explanation:

ALUM IS USED IN THE PROCESS OF WATER PURIFICATION BECAUSE OF PROPERTY OF COAGULATION. THE SOLID IMPURITIES IN WATER CONE TOGETHER, BECOME HEAVY AND SETTLE TO THE BOTTOM. AS A RESULT, THE WATER ABOVE BECOMES CLEAR.