Chemical Process
Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

Parathion
Perchloroethylene
Methanol
Trichloroethylene

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

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

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