Which of the following method is used for water treatment?
A
Centrifugation
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B
Sedimentation
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C
Evaporation
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D
Crystallization
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Solution
The correct option is A Sedimentation Sedimentation is a physical water treatment process using gravity to remove suspended solids from water. Solid particles entrained by the turbulence of moving water may be removed naturally by sedimentation in the still water of lakes and oceans.