Question

___________ is added in the loading tank for settle down suspended impuriti​

Answer 1

Answer:

lime and alum

In a loading tank, coagulants like lime and alum are added to the water, which causes suspended particulates to clump together that allows the sedimentation of the suspended particles.

Answer 2

Alum is added in the loading tank for settle down suspended impurities.

Hope it may be helpful for you.....