Question

At high temperature, the molecules of a substance :

• A. move more vigorously
• B. move less vigorously
• C. become stationary
• D. are attracted strongly

Answer 1

The correct option is A move more vigorously

At high temperature, the heat energy provided get converted in kinetic energy of molecules.

Due to high kinetic energy there is more powerful and random collision thus seems us vigorous.

Hence, the answer is move more vigorously.