MCQ PracticeIn arc welding, Argon is used because of itsSubject: ChemistryTopic: ChemistryALow reactivity with metalBAbility to lower the melting point of the metalCHigh flammabilityDHigh calorific valueCorrect 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