Question

Ammonia occurs in free state in :

• A. atmospheric air
• B. natural water
• C. nitrogenous matter
• D. all of the above

Answer 1

The correct option is D all of the above

Ammonia occurs in both free state and combined state.

1) in free state ammonia is present in small amounts in air and in traces in natural water and in nitrogenous matter.

2) In combined state ammonia occurs as many compounds such as ammonium chloride, ammonium sulphate etc. as ammonium salts.