Question

A non-metal A which is the largest constituent of air combines with hydrogen on heating in the pressence of Fe (as catalyst) and forms a gar B. When this gar B is treated with H2SO4, compound C is formed which is broadly used as chemical fertiliser. Identify A, B and C

Answer 1

N2+3H2---2NH3
A---Nitrogen
B---Ammonia
C---Nitrogen (perhaps) (not sure)