Which of the following is a method used to purify river water for drinking?

Type: MCQ • Marks: 1

A. Distillation only

B. Freezing

C. Boiling with salt

D. Sedimentation, loading with alum, filtration, and chlorination

Explanation

Municipal water treatment combines sedimentation, coagulation, filtration, and disinfection.

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Class 9th Science (MCQ)

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