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 $NH_4Cl$ to give $H_2O$,$N_2$ and $NaCl$.
In the light of the above statements,choose the most appropriate answer from the options given below :

• A
  Both the statements $I$ and $II$ are correct
• B
  Both the statements $I$ and $II$ are incorrect
• C
  Statement $I$ is incorrect but Statement $II$ is correct
• D
  Statement $I$ is correct but Statement $II$ is incorrect