MCQ PracticePresence of __________ hardness is responsible for the temporary hardness in water.Subject: Chemical EngineeringTopic: Environmental Engineering In CeACarbonateBCalciumCChorideDSulphateCorrect 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