MCQ PracticeAction of phosphoric acid on rock phosphate producesSubject: Chemical EngineeringTopic: Fertiliser TechnologyASuperphosphateBTriple superphosphateCNitrophosphateDDiammonium phosphateCorrect Answer: BPractice 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