Which of the following gases is popular as laughing gas?
A. nitric oxide
B. nitrogen dioxide
C. nitrous oxide
D. nitrogen peroxide
Answer: Option C
Related Questions on Non Metal and Its Compounds
Red phosphorus is less reactive than yellow phosphorus because
A. it is red in colour
B. it is highly polymerised
C. it is insoluble in C2H5OH
D. it is hard

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