Question 1 Why makes a balloon get inflated when air is filled in it? Question 2 Why a bicycle tube get inflated when air is filled in it? All the gases exert pressure on the walls of the container. (1) Air is a mixture of gases. (2) All the gases are made up of tiny particles called molecules which move around quickly in all directions. (3) The fast moving gas … [Read more...] about Pressure Exerted by Gases