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Which of the following is a physical method of water treatment?
Option: 1
Chlorination
Option: 2
Coagulation
Option: 3
Sedimentation
Option: 4
Activated sludge process
Answers (1)
Sedimentation is a physical method of water treatment that involves allowing suspended particles to settle out of the water. Chlorination, coagulation, and the activated sludge process are chemical or biological methods of water treatment.
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