How does the surface tension of a liquid vary with increase in temperature ?
A.
Remains same
B.
Decreases
C.
Increases
D.
No regular pattern is followed
Answer :
Decreases
Solution :
Increase in temperature increases the kinetic energy of the molecules and effectiveness of intermolecular attraction decreases, so surface tension decreases as the temperature is raised.
Releted MCQ Question on Physical Chemistry >> States of Matter Solid, Liquid and Gas
Releted Question 1
Equal weights of methane and oxygen are mixed in an empty container at $${25^ \circ }C.$$ The fraction of the total pressure exerted by oxygen is