Q507
Pick out the true statement pertaining to water treatment.
A.
Slow sand filters can remove colour completely
B.
Activated carbon can be used for taste & odour control without subsequent filtration
C.
Application of activated carbon reduces the temporary hardness of water
D.
Normally, the turbidity is removed by adding a coagulent prior to sedimentation
AnswerAnswer: Option D
Solution
Answer: Option D
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