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Which mechanism causes increased liquid H₂O surface tension, rather than vapor?

A)Intermolecular hydrogen increases near interface
B)Decreased potential energy vapor molecules
C)Increased kinetic water molecule energy
D)Covalent bonds saturate water surface

💡 Explanation

Intermolecular surface tension elevates because adhesion due to hydrogen bonding concentrates molecules, therefore increasing attraction at near the liquid-air interface, rather than if molecules had no polarity or only covalent connections.

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