On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:
  • 1mercury is a metal.
  • 2density of mercury is greater than that of water.
  • 3cohesion of mercury is greater than its adhesion with glass.
  • 4cohesion of water is greater than its adhesion with glass.
Answer:- 1
Explanation:-

Solution:
cohesion of mercury is greater than its adhesion with glass.

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