MCQ PracticeWhich of the following is the lightest substance?Subject: Everyday ScienceTopic: Everyday ScienceAUraniumBHydrogenCOxygenDNitrogenCorrect 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