MCQ PracticePresence of a certain minimum quantity of flourine is desirable in potable water to preventSubject: Chemical EngineeringTopic: Environmental Engineering In CeADental cavitiesBScale formationCWater-borne diseaseDCorrosionCorrect 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