MCQ PracticeUse of chlorine in the treatment of sewageSubject: Chemical EngineeringTopic: Chemical ProcessAHelps in grease separationBIncreases the biological oxygen demand(BOD)CCauses bulking of activated sludgeDAids in flocculationCorrect Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the