Question

Fill in the blanks.
(i) A molecule at the surface of a liquid has ............... energy than the
one within the liquid.
(ii) Surface tension of liquid .................... on cooling.
(iii) Meniscus of a non-wetting liquid is ............... in shape while that of
a wetting liquid is ..................... in shape.
(iv) When one end of a glass capillary tube was dipped in a liquid, the
level of liquid inside the capillary was observed to fall. The adhesive
forces in this liquid are ................. than the cohesive forces between
the liquid and glass.
(v) Liquid X is more viscous than liquid Y. The intermolecular forces in
Y are ................... than in X.

Answer 1

(i) A molecule at the surface of a liquid has kinetic energy than the

one within the liquid.