Question

Which of the following statements is INCORRECT for liquid?

Options

• Molecules in the bulk of liquid experience balanced forces and the resultant net force is zero.

• Molecules on the surface of liquid experience repulsive forces in the downward direction.

• The cleansing action of soaps and detergents is because of the lowering of interfacial tension between water and oily substances.

• Liquid droplets always tend to be spherical to reduce surface tension.

Answer 1

Molecules on the surface of liquid experience repulsive forces in the downward direction.

Explanation:

Molecules on the surface of liquid experience attractive forces in the downward direction.