a nitrate which does not leave behind any solid residue on heating

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Solution

Ammonium nitrate when heated above 170 C gives out water vapour and nitrous oxide as follows:

NH₄NO₃ (s) → 2 H₂O (g) + N₂O (g)

As both the products are gases there is no residue left.

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Name :

(a) a nitrate of metal which on heating does not give nitrogen dioxide.

(b) a nitrate which on heating leaves no residue behind.

(d) a metal nitrate which on heating is changed into metal.

(e) a solution which absorbs nitric oxide.

(f) the oxide of nitrogen which turns brown on exposure to air. How is it prepared ?

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