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← ScienceWhich mechanism dictates water's unexpectedly high surface tension?
A)Intermolecular hydrogen bonding✓
B)Intramolecular covalent interactions
C)Van der Waals attractions
D)Dipole-induced repulsions
💡 Explanation
Intermolecular hydrogen bonding creates strong cohesive forces between water molecules. This cohesive force pulls surface molecules tightly together, thereby increasing the surface tension, because cohesion among the water molecules dominates rather than adhesion to air.
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