Q.

On a smooth glass surface , the drop of water spreads while the drop of mercury remains almost spherical. This proves that ________?

A. Cohesive forces of mercury is more than adhesive forces with glass
B. Cohesive force of water is less than cohesive forces of mercury
C. mercury is a metal
D. 1 & 2
Answer» A. Cohesive forces of mercury is more than adhesive forces with glass
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