In the treatment of water, solid impurities are allowed to settle to the bottom. This particular stage in the entire purification is called ___.
A
Chlorination
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B
Sublimation
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C
Sedimentation
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D
Distillation
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Solution
The correct option is C Sedimentation Sedimentation is the tendency for particles in suspension to settle down in a liquid. It is a physical water treatment process used to remove suspended solids from water naturally by sedimentation in the still water of lakes and oceans.