MCQ PracticeHeating a mixture of phosphate rock, coke and sand in an electric furnace producesSubject: Chemical EngineeringTopic: Fertiliser TechnologyAPhosphoric acidBAmmonium phosphateCPhosphorousDSuperphosphateCorrect 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