MCQ PracticeA mineral is termed as 'ore', ifSubject: Chemical EngineeringTopic: Chemical ProcessAA metal can be economically extracted from itBIt contains ≥ 40% metalCThe metal present in it is costlyDAll of the aboveCorrect 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