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On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because ..............

  • Mercury is a metal

  • Density of mercury is greater than that of water.

  • Cohesion of mercury is greater than its adhesion with glass.

  • Cohesion of water is greater than its adhesion with glass.

Answer

C.

Cohesion of mercury is greater than its adhesion with glass.