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What are the components of laughing gas?

+1 vote
255 views
ANitrogen, oxygen and helium
BNitrogen and oxygen
CHydrogen and oxygen
DNitrogen and hydrogen

Correct Option: 2  

Explanation:
Nitrogen and oxygen
Laughing gas is the colloquial name for nitrous oxide, N2O.
posted Dec 28, 2017 by Divya Shree

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