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Laughing gas is also known as

$\begin{array}{1 1}(a)\;N_2O&(b)\;NO\\(c)\;N_3O&(d)\;NO_2\end{array}$

1 Answer

Laughing gas is also known as Nitrous gas
Hence (a) is the correct answer.
answered Jan 20, 2014 by sreemathi.v
 
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