MCQ PracticeSodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodiumSubject: Chemical EngineeringTopic: Fertiliser TechnologyACarbonateBPhosphateCBicarbonateDSilicateCorrect 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