Nitrogen gas cannot be obtained by heating ?

Choose the most appropriate answer from the following options : Nitrogen gas can be obtained by heating :

Nitrogen gas can be obtained by heating : A: Ammonium nitrate B: Ammonium nitrte C: Magnesium nitride D: Ammonium chloride

NO_2 cannot be obtained by heating:

Nitrogen dioxide cannot be obtained by heating:

Nitrogen dioxide cannot be obtained by heating:

Nitrogen dioxide cannot be obtained by heating :

Nitrogen dioxide cannot be obtained by heating

Nitrogen dioxide cannot be obtained by heating

Nitrogen dioxide cannot be obtained by heating