Question

what is surface tension and give some examples

Answer 1

Examples of surface tension. Walking on water: Small insects such as the water strider can walk on water because their weight is not enough to penetrate the surface. Floating a needle: A carefully placed small needle can be made to float on the surface of water even though it is several times as dense as water

Answer 2

surface tension is the energy or a work require to increase the surface area of liquid due to intermolecular forces.
example of surface tension are :--
✴️ Walking on water
✴️ Floating a needle
✴️ Water leaking from tap