MCQ PracticePhthalic anhydride is made by theSubject: Chemical EngineeringTopic: Chemical ProcessAOxidation of naphthaleneBOxidation of benzeneCDehydrogenation of ethyl benzeneDNone of theseCorrect 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