MCQ PracticeMain component of bone ash isSubject: Chemical EngineeringTopic: Fertiliser TechnologyACalcium sulphateBCalcium phosphateCCalcium carbonateDSodium 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