Which is the most practical and economical method for removal of suspended solid matter from polluted water? (A) Sedimentation (B) Skimming off (C) Chlorination (D) Biological oxidation

Which is the most practical and economical method for removal of
suspended solid matter from polluted water?
(A) Sedimentation
(B) Skimming off
(C) Chlorination
(D) Biological oxidation
by

1 Answer

Answer :

(A) Sedimentation
by

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