Question

Gases do not have a definite shape because:

• A. molecules exert no force of attraction or repulsion upon one another
• B. molecules exert force of attraction
• C. molecules exert force repulsion upon one another
• D. both b and c

Answer 1

The correct option is A molecules exert no force of attraction or repulsion upon one another

The molecules exert no force of attraction or repulsion upon one another. I.e., the molecules are independent of each other. This is the reason gases do not have a definite shape.