1338Chemical EngineeringMedium
Pick out the true statement pertaining to water treatment?
ANormally, the turbidity is removed by adding a coagulant prior to sedimentation
BSlow sand filters can remove colour completely
CActivated carbon can be used for taste & odour control without subsequent filtration
DApplication of activated carbon reduces the temporary hardness of water
Correct answer
A. Normally, the turbidity is removed by adding a coagulant prior to sedimentation
Explanation
The correct answer is Normally, the turbidity is removed by adding a coagulant prior to sedimentation.