MCQ PracticeElectric furnace method for production of phosphorous uses phosphate rockSubject: Chemical EngineeringTopic: Fertiliser TechnologyAAnd phosphoric acidBAnd cokeCAnd sulphuric acidDSilica and cokeCorrect 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