Question

Differentiate between gas and vapour.

Answer 1

Gas	Vapour
state of matter	A substance which coexists with liquid or solid at room temperature.
Gas in its natural state is gas at room temperature.	vapour in its natural state is liquid or solid.
Appears at temperature ≥ boiling point	May occur at temperature below boiling point.
Example: Helium,Neon	Example: water vapour