MCQ PracticeHydrogen ion concentration in distilled water isSubject: Chemical EngineeringTopic: Environmental Engineering In CeA10 -7B7 × 10 -7C10 7D7 × 10 7Correct 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