MCQ PracticeIn sewage treatment, its sedimentation is speeded up by commonly addingSubject: Chemical EngineeringTopic: Environmental Engineering In CeAHydrochloric acidBLimeCCopper sulphateDSodium sulphateCorrect Answer: BPractice 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