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Water wets glass but mercury does not. Explain why?

Water wets glass but mercury does not.  Explain why?

Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago
When liquid water is confined in a tube, its surface (meniscus) has a concave shape because water wets the surface and creeps up the side. Mercury does not wet glass- the cohesive forces within the drops are stronger than the adhesive forces between the drops and glass.

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