NEET Physics Surface Tension Surface Energy and Capillarity Online Test Set A

Consider the following statements and select the true statement(s)?
I. A large soap bubble shrinks while a small soap bubble expands when they are connected to each other by a capillary tube, in order to gain equilibrium
II. The raindrops fall on the surface of earth with the same constant velocity
III. A hydrogen filled balloon stops rising after it has attained a certain height in the sky