Which one of the following statements is true ?
A. Water forms concave meniscus on account of high cohesive forces.
B. Mercury forms concave meniscus on account of more adhesive force than the cohesive forces.
C. Water forms convex meniscxus on account of high adhesive forces than the cohesive forces.
D. Mercury forms convex meniscus on account of more cohesive force than adhesive force.
