If a glass rod is dipped in mercury and withdrawn out, the mercury does not wet the rod because
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a
Angle of contact is acute
b
Cohesion force is more
c
Adhesion force is more
d
Density of mercury is more
answer is B.
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Detailed Solution
The glass rod is not wet when dipped in mercury because; the cohesive force of mercury molecules is more than the adhesive force between glass and mercury molecules