MCQ PracticeWhich is the most practical and economical method for removal of suspended solid matter from polluted water?Subject: Chemical EngineeringTopic: Environmental Engineering In CeASedimentationBSkimming offCChlorinationDBiological oxidationCorrect Answer: APractice 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