MCQ PracticeReaction of phosphate rock with 98% H 2 SO 4 producesSubject: Chemical EngineeringTopic: Fertiliser TechnologyAOrthophosphoric acidBSuperphosphateCWhite phosphorousDNone of theseCorrect 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