Mercury does not wet glass,wood,or iron because

If for a liquid in a glass vessel,the force of cohesion $(F_C)$ is twice the force of adhesion $(F_A)$,then which of the following statements are correct?
$(A)$ The meniscus will be convex.
$(B)$ The liquid will wet the glass.
$(C)$ The angle of contact will be obtuse.
$(D)$ There will be capillary descent in a glass capillary dipped in the liquid.
Correct option$(s)$ is/are:

$A$ drop of oil is placed on the surface of water. Which of the following statements is correct?

Explain why water does not run out of a dropper unless its rubber bulb is pressed.

Water does not wet an oily glass because

In a sphere of influence,the liquid molecule at its centre is