1.

Nitrateson treating with conc H_2SO_4 gives brown fumes due to :

Answer»

`NO`
`NO_3^(-)`
`NO_2`
`N_2O_5`

SOLUTION :`2NaNO_2 + H_2SO_4 to Na_2SO_4 + H_2O + NO +UNDERSET("BROWN FUMES ")(NO_2)`


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