Water evaporates under atmosphere pressure without changing the temperature the same water is placed in particle vacuum the rate it evaporates will.

Surface tension is the elastic tendency of a fluid surface which makes it acquire the least surface area possible.The cohesive forces between liquid molecules are responsible for the phenomenon.

Some notable applications of surface tension are:

● A needle placed on water can be made to float due to the surface tension of water.

● Warm water is used for washing purpose as heating increases the surface area and reduces surface tension.

● Mosquito eggs can float on water because of its surface tension.

● Toothpaste contains soap, which reduces the surface tension and helps it spread freely in the mouth.

● Surface tension prevents water from passing through the pores of an umbrella.

● Antiseptics like Dettol have low surface tension, so that they spread faster.