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Surface Tension

Which liquid ...

Question

Which liquid has maximum surface tension?

A

Water

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B

Alcohol

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C

Ammonia

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D

Glycerol

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Solution

The correct option is A Water
Tension of the surface film of a liquid caused by attraction of the particles in the surface layer by the bulk of the liquid which minimize surface area.
$∙$ Water $= 72.86$ $n N / m$
$∙$ Ethanol (Alcohol) $= 22.10$ $n N / m$
$∙$ Glycerol $= 64.00$ $n N / m$
Ans :- Option A

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