Question

how is water treated at the waterworks to make it potable?

Answer 1

by the process of chlorination
by the process of filtration
by the process of boiling

Answer 2

Water is processed at the waterworks to allow it potable by the basic steps:  decantation and sedimentation, loading, filtration and chlorination.

Explanation:

Water is processed at the waterworks to allow it potable by the basic steps:

• Decantation and Sedimentation:- Large-scale impurities are produced in this method to settle at the bottom of the tank, which is called sedimentation. Via the cycle of decantation the water is free of large particles.
• Loading :- Water is processed with alum to dissolve smaller particles, which makes these particles larger, and therefore they fall down at the bottom and can only be removed from the surface.
• Filtration :- Next, the water is purified via sand filters which free the water from impurities.
• Chlorination:- Finally, it is formulated with chlorine to separate germs from the water.

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