An inorganic salt (A) is decomposed at about 523K to give products (B) and (C). Compound (C) is a liquid at room temperature and is neutral to litmus paper while compound (B) is used in dental surgery for anesthesia purpose. Compounds (A),(B),(C) wll be identified as-

Options

A. `NH_(4)NO_(3),N_(2)O,H_(2)O`
B. `NH_(4)NO_(2),N_(2),H_(2)O`
C. `CaCO_(3),CaO,H_(2)O`
D. NH_(4)Cl, NH_(3),HCl`

Answer

A