32. On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: A.mercury is a metal. B.density of mercury is greater than that of water. C.cohesion of mercury is greater than its adhesion with glass. D.cohesion of water is greater than its adhesion with glass.
Answer: Option C Solution: On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because cohesion of mercury is greater than its adhesion with glass.
