Use of chlorine in the treatment of sewage Options: A . &nbspCauses bulking of activated sludge B . &nbspHelps in grease separation C . &nbspAids in flocculation D . &nbspIncreases the biological oxygen demand(BOD)

Use of chlorine in the treatment of sewage

Question

Use of chlorine in the treatment of sewage

Options:

A . Causes bulking of activated sludge

B . Helps in grease separation

C . Aids in flocculation

D . Increases the biological oxygen demand(BOD)

Answer: Option B

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