MCQ PracticeThe main use of HCl is in theSubject: Chemical EngineeringTopic: Chemical ProcessADrilling of petroleum wells and pickling of steel sheetsBManufacture of cationic detergentCTreatment of spent fuel of nuclear reactorDNone of theseCorrect 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