Question

during the parfication of water for city supply the raw water from the river/ lake allowed to stand undistrbed in large tank .what happend her ?

Answer 1

Answer:

During the purification of water for city supply, the raw water from the river lake is allowed to stand undisturbed in large tanks. A process called sedimentation takes place here. All the dirt, mud, sand and other suspended materials settle down at the bottom of the tank.

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