Question

explain the process of sendimentation. why is alum added to a beaker of muddy water​

Answer 1

Answer:The bicarbonate alkalinities present in water combie with alum when alum is added to muddy water. It results in the formation of a precipitate and deposits at the bottom of water. As a result, most of the impurity gets deposited at the bottom of water and we get clean water.

Explanation:

Answer 2

Answer:

the process of settling down of insoluble particles in the bottom of

container is called sedimentation

To inscrease the rate of sedimentation alum is used.