" On heating NaNO "_(3)" gives following gas :- "

STATEMENT - 1 : NaNO_(2) and NaNO_(3) gives brown ring test. STATEMENT - 2 : Both gives blue coloured gas with conc. H_(2)SO_(4) . STATEMENT - 3 : NO_(3)^(-) gives ammonia with NaOH in presence of Cu .

NaNO_(3) on heating gives

NaNO_(3) on heating gives

The salt on heating does not give brown coloured gas is:

CaCO_3 on heating gives a white solid (A) and a gas (B), (A) on heating with carbon gives a solid (C) and a gas (D), (C) on hydrolysis glves a gas (E) and a solid (F) Identify (A), (B), (C), (D) , (E) and (F) .