Molecular range of molecule is

The molecules on the liquid surface

An imaginary sphere drawn with a radius equal to the range of molecular attraction is called

Free surface of a liquid behaves like a stretched membrane and tends to assume smallest possible area due to

A liquid film at the surface behaves as a

In case of a liquid which does not wet a solid surface, the force of adhesion

Surface tension is due to

A mercury drop continues to be spherical inside the water which proves that as compared to the adhesive force between water and mercury molecules, the cohesive forces between mercury molecules are