capillary action is . group of answer choices the rate of collisions for gas molecules. the energy required to overcome the attractive forces between molecule in the liquid state to form a gas. the force required to expand the surface of a liquid. the drawing of a liquid up the inside of a small-bore tube when adhesive forces exceed cohesive forces. resistance to flow.



Answer :

Capillary action is the mechanism by which a liquid moves through a small opening defying external forces like gravity, or even working against them.

Explain about the capillary action?

When the adhesion to the walls is greater than the cohesive forces between the liquid molecules, capillary action takes place. Surface tension plus, of course, gravity place a limit on how high water in a homogeneous circular tube can rise through capillary action (see image to the right).

The spontaneous movement of a liquid into a small tube or porous substance is known as capillary action. The influence of gravity is not necessary for this movement to take place. In fact, it frequently works against gravity. Capillary motion, capillarity, and wicking are other names for capillary action.

Surface tension also contributes to the rising of a liquid column inside a tiny capillary tube. The capillary rise equation is (h)=2Trg.

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