NEETChemistryp Block Elements (Group 15, 16, 17 & 18)
How is ammonia formed naturally in air and soil?
Options
- AFrom the decay of organic matter
- BFrom the reaction of nitrogen gas and hydrogen gas
- CFrom the decomposition of ammonium salts
- DFrom the reaction of urea and caustic soda
Correct answer
A. From the decay of organic matter
Step-by-step solution
The paragraph mentions that ammonia is formed in small quantities in air and soil by the decay of nitrogenous organic matter, e.g., urea.