MCQ PracticeRoasting of metallurgical ores is done mainly toSubject: Chemical EngineeringTopic: Chemical ProcessADehydrate itBSinter the oreCRemove CO 2 & H 2 ODRemove arsenic & sulphurCorrect Answer: DPractice 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