MCQ Practice5-200 μm size particles are calledSubject: Chemical EngineeringTopic: Environmental Engineering In CeAColloids or aerosolsBPowderCDustDSmokeCorrect 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