Question

Explain....!


Why do we add alum to purity water ?​

Answer 1

Answer:

The alum is added to purify water because the coagulation of dust particles from the water is made possible.The impurities settle down and removes the dust particles forming the decantation or filtration.Hence.alum is added to purify the water. HOPE YOU LIKE MY ANSWER PLZZ ADD ME AS BRAINLIST AND THANKS

Answer 2

Answer:

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Explanation:

Alum, also known as aluminium sulfate is added to water in order to destabilize the mud particles suspended in it. This process is known as coagulation. Alum helps in purifying water by aluminium which coagulates the mud particles.