Beaded droplets on waxy surfaces
The adhesive (dipole & induced dipole) forces between water and a non−polar surface are much weaker than the cohesive (H−bond) forces within water.
As a result, water pulls away from a non−polar surface and forms beaded droplets.
You might have experienced this effect when water beads upon a leaf or a freshly waxed car after a rainfall.
Intermolecular forces of liquids
In the three regular stages of matter, the liquid is less understood at molecular level. Because of randomness of particles in a gas, any region in the gas is virtually identical to each other. The orderliness of the particles in the solid at different regions, make the regions in it identical to each other. Liquid, however is a combination of the attributes that change continuously. A region that is ordered at this instant will be random in the next instant and vice versa. Despite this complexity, the properties of liquids are well understood.
Intermolecular forces give rise to a number of structural features and properties of liquids.
Many properties of liquids, including their boiling points, reflect the strengths of the intermolecular forces.
A liquid boils when bubbles of its vapour form within the liquid.
The molecules of a liquid must overcome their attractive forces in order to separate and form a vapour.
The stronger the attractive forces, the higher will be the temperature at which the liquid boils
(Similarly, the melting points of solids increase with an increase in the strengths of the intermolecular forces).