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

Use of chlorine in the treatment of sewage

Question

Use of chlorine in the treatment of sewage

Options:

A . Helps in grease separation

B . Increases the biological oxygen demand(BOD)

C . Causes bulking of activated sludge

D . Aids in flocculation

Answer: Option A

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