[Orissa JEE 2003]
NH4
N2
H2
Cl2
When zinc reacts with dilute hydrochloric acid, zinc chloride is formed along with the evolution of gas X. The evolved gas is colourless, odourless and neutral to litmus. So, gas X is:
A colourless gas X reacts with another colourless gas HCl to give a white solid of NH4Cl.What is X?