Chemical Process
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Neither A nor B
Facilitate fast filtration
Both A and B
Flocculate the impurities

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Chemical Process
Pick out the true statement pertaining to water treatment.

Normally, the turbidity is removed by adding a coagulent prior to sedimentation
Activated carbon can be used for taste & odour control without subsequent filtration
Application of activated carbon reduces the temporary hardness of water
Slow sand filters can remove colour completely

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