In steam-methane reforming, methane reacts with steam under 3–25bar pressure in the presence of a nickel catalyst to produce hydrogen, carbon monoxide, and a relatively small amount of carbon dioxide. Steam reforming is endothermic, that is, heat must be supplied to the process for the reaction to proceed.
NaNO2+NH4Cl→ΔN2+NaCl+H2O
as NH4NO2→ΔN2+H2O
Hence, both the statements are correct.