Question

Two lead balls, when pressed against each other, stick together because of

• A. intermolecular forces
• B. surface tension
• C. viscosity
• D. friction

Answer 1

The correct option is A intermolecular forces

$\begin{array}{c}\text{Intermolecular force are the forces which mediate}\\ \text{interaction between atoms including force of}\\ \text{altraction or repulsion.}\end{array}$

$\begin{array}{c}\text{So, two lead balls, when pressed against each others}\\ \text{stick together due to intermolecular forces}\\ \text{so, option}A\text{is correct.}\end{array}$