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What are the components of laughing gas?
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A
Nitrogen, oxygen and helium
B
Nitrogen and oxygen
C
Hydrogen and oxygen
D
Nitrogen and hydrogen
Correct Option: 2
Explanation:
Nitrogen and oxygen
Laughing gas is the colloquial name for nitrous oxide, N2O.
science
gas
ingredient
posted
Dec 28, 2017
by
Divya Shree
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