What is ‘laughing gas’?

(a) Nitric Oxide
(b) Nitrogen Penta Oxide
(c) Nitrogen Peroxide
(d) Nitrous Oxide

Anurag Mishra Professor Asked on 30th June 2016 in Chemistry.
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    Answer: (d) Nitrous Oxide 

    Anurag Mishra Professor Answered on 1st July 2016.
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