The cause of adsorption is the presence of _____on the surface of a liquid or a solid.

In Langur's mofel of adsorption of a gas on the solid surface :

When a liquid is in contact with a solid , the angle between the surface of the solid and the tangent drawn to the surface of the liquid at that point of contact , measured on the side of the liquid , is called .

When a liquid is in contact with a solid , the angle between the surface of the solid and the tangent drawn to the surface of the liquid at that point of contact , measured on the side of the liquid , is called .

The term adsorption refers strictly to the existence of an concentration of any particular component (molecular species) at the surface of a liquid or solid phase than is present in the bulk.

When a liquid is in contact with a solid the angle between the surface of the solid and the tangent drawn to the surface of the liquid at the point of contact , measured in the side of the liquid is

The physical adsorption of gases on the solid surface is due to :

The physical adsorption of gases on the solid surface is due to :

During adsorption of a gas on the surface of a solid. Which of the following is true?