Surface tension in a liquid is due to :a)Adhesive force between moleculesb)Cohesive force between moleculesc)Gravitational force between moleculesd)Electrical force between molecules.Correct answer is option 'B'. Can you explain this answer?

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Surface tension in a liquid is due to :

a)
Adhesive force between molecules
b)
Cohesive force between molecules
c)
Gravitational force between molecules
d)
Electrical force between molecules.

Correct answer is option 'B'. Can you explain this answer?

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Surface tension in a liquid is due to :a)Adhesive force between molecu...

Surface tension in a liquid is due to cohesive forces between molecules. Cohesive forces are the attractive forces between molecules of the same substance. When a liquid is in contact with a solid surface, the cohesive forces between the molecules at the surface are stronger than the cohesive forces between the molecules in the interior of the liquid. This causes the surface of the liquid to behave as if it is a thin elastic sheet, which is why surface tension is sometimes referred to as the "skin" of a liquid.

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Surface tension in a liquid is due to :a)Adhesive force between moleculesb)Cohesive force between moleculesc)Gravitational force between moleculesd)Electrical force between molecules.Correct answer is option 'B'. Can you explain this answer?

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