Question -
In the treatment of water, solid impurities are allowed to settle to the bottom. This particular stage in the entire purification is called ___
Options:
A .  Chlorination
B .  Sublimation
C .  Sedimentation
D .  Distillation
Answer: Option C : C Sedimentationis the tendency for the particles in a suspension to settle down. It is a physicalwater treatmentprocess used to remove suspended solids fromwater naturally.
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