MCQ PracticeHard waterSubject: Chemical EngineeringTopic: Chemical ProcessADoes not affect the lather formation by soapBIs not unfit for drinking purposeCPollutes the water streamDAll of the aboveCorrect Answer: BPractice 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