Question

2.
Surface tension results from :
(A)
Cohesion of liquid molecules
(B) Viscosity of liquid
(C)
Presence of an external magnet
(D)
None of the above​

Answer 1

Answer:

[A] Cohesion of liquid molecules

Explanation:

The surface tension of a liquid results from an imbalance of intermolecular attractive forces, the cohesive forces between molecules: A molecule in the bulk liquid experiences cohesive forces with other molecules in all directions. A molecule at the surface of a liquid experiences only net inward cohesive forces.

Answer 2

Answer:

A) Cohesion of liquid molecule........

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