MCQ PracticeAerosols present in atmospheric air may beSubject: Chemical EngineeringTopic: Environmental Engineering In CeAPositively chargedBNegatively chargedCNeutralDCombination of all A, B & CCorrect 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