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
Correct Answer: Cohesion of mercury is greater than its adhesion with glass
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.