MCQ Practice__________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant.Subject: Chemical EngineeringTopic: Environmental Engineering In CeACalciumBFluorineCPhosphorousDSulphurCorrect 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