MCQ PracticeThe chemical name of Laughing gas is___________?Subject: Everyday ScienceTopic: Everyday ScienceANitric oxideBNitrogen dioxideCNitrogen pentoxideDNitrous oxideCorrect Answer: DPractice 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