Which one of the following sets of properties do you associate with oxygen gas?
Very soluble in water, colourless, poisonous
Absorbed by dilute acids, odourless, unreactive
Green gas, reacts with silver nitrate.
Slightly soluble in water, odourless, supports life.
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: