MCQ PracticeDouble Contact Double Absorption (DCDA) process is the most recent process for the manufacture ofSubject: Chemical EngineeringTopic: Chemical ProcessANitric acidBSulphuric acidCAmmonium sulphateDHydrochloric acidCorrect 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