Given below are two statements:
Statement-I: Methane and steam passed over a heated Ni catalyst produces hydrogen gas.
Statement-II: Sodium nitrite reacts with $\mathrm{NH}_4 \mathrm{Cl}$ to give $\mathrm{H}_2 \mathrm{O}, \mathrm{N}_2$ and NaCl .
In the light of the above statements, choose the most appropriate answer from the options given below: