Question 1: Liquid drops assume spherical in shape is due to

Vapour pressure
Boiling
Surface tension
Viscosity

Question 2: Which molecules experience net inward attractive force?

Bulk molecules
Surface molecules
All molecules
Interior molecules

Question 3: The molecules that not experience any net force of attraction are

Bulk molecules
Surface molecules
All molecules
exterior molecules

Question 4: The force acting per unit length perpendicular to the line drawn on the surface of liquid is called

viscosity
surface tension
boiling
surface energy

Question 5: The lowest energy state of the liquid is when

surface area is minimum
surface area is maximum
surface area is highest
surface area is moderate