MCQ PracticeWhich of the following is the most major constituents of air pollutants?Subject: Chemical EngineeringTopic: Environmental Engineering In CeAOxides of sulphurBOxides of nitrogenCCarbon monoxideDHydrogen sulphideCorrect 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