Ammonia can be obtained by adding water to-
(C) Magnesium nitride
The explanation for the correct option - Option C
The explanation for incorrect options
Option A
Ammonia is obtained by the reaction of Magnesium nitride and water and not by the reaction of Ammonium chloride and water. So this option is incorrect.
Option B
Ammonia is obtained by the reaction of Magnesium nitride and water and not by the reaction of Ammonium nitrite and water. So this option is incorrect
Option D
Ammonia is obtained by the reaction of Magnesium nitride and water and not by the reaction of Magnesium nitride and water. So this option is incorrect.
Hence, option C is correct, as ammonia can be obtained by adding water and Magnesium nitride.