MCQ PracticeWaste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances.Subject: Chemical EngineeringTopic: Environmental Engineering In CeARadioactiveBOrganicCInorganicDNone of theseCorrect Answer: CPractice 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