Everyday Science Laughing gas has chemical composition of following two elements ? Options:A. Nitrogen + HydrogenB. Nitrogen + CarbonC. Nitrogen + OxygenD. Oxygen + CarbonView AnswerC. Nitrogen + Oxygen Continue Reading Previous: One of the countries through which equator passes is___________?Next: A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?