Question

A paper clip is hanging in air . What can be possible reason?/

Answer 1

Basically it means that there is a sort of skin on the surface of water where the water molecules hold on tight together. If the conditions are right, they can hold tight enough to support your paper clip. The paperclip is not truly floating, it is being held up by the surface tension.

Answer 2

Answer:

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The paperclip will float due to surface tension. Surface tension is the attraction of like particles to one another on a surface—in our case, a water-air surface. Water molecules on a surface experience cohesion, which is the sticking together of one molecule to another molecule of the same material.