Laughing-gas is the name given to

(a) Nitrous oxide
(b) Nitric oxide
(c) Nitrogen trioxide
(d) Nitrogen dioxide

Add Comment
2 Answer(s)


sushil Default Answered on 4th May 2016.
Add Comment

Answer: (a) Nitrous Oxide 

Anurag Mishra Professor Answered on 5th July 2016.
Add Comment

Your Answer

By posting your answer, you agree to the privacy policy and terms of service.