MCQ PracticeIn water treatment plant, zeolite process is used to remove the __________ of water.Subject: Chemical EngineeringTopic: Environmental Engineering In CeAAcidityBAlkalinityCHardnessDIron & zincCorrect Answer: CPractice 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