Statement 1 : ${\mathrm{NH}}_4{\mathrm{NO}}_3$ on heating gives ${\mathrm{N}}_2\mathrm{O}$.

Statement 2 : ${\mathrm{NH}}_4{\mathrm{NO}}_3$ on heating shows disproportionation.

Both Statement 1 and Statement 2 are true.

Statement 1 is true and Statement 2  is false.

 Statement 1 is false and Statement 2 is true.

Both Statement 1 and Statement 2 are false.