Which of the Following Statements About Ammonia Is Incorrect

Which of the following statements about ammonia is incorrect?

A) Ammonia can be generated on a small scale from the reaction of an ionic nitride with water or by heating a solution of an ammonium salt with a strong base.
B) Ammonia is the conjugate acid of the strongly basic nitride ion (N³⁻) .
C) Large quantities of ammonia are converted to urea (CO(NH₂) ₂) ,which is used as a fertilizer,livestock feed supplement,and in the manufacture of some plastics.
D) Large amounts of nitric oxide (NO) are produced by the catalytic oxidation of ammonia.
E) Ammonia is produced commercially by the Haber process.