MCQ PracticeThe main constituent of rock phosphate isSubject: Chemical EngineeringTopic: Fertiliser TechnologyAMono-calcium phosphateBDi-calcium phosphateCFluorsparDNone of theseCorrect 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