Question

3. On cooling down a substance, there is a loss of heat and the kinetic energy of its molecules
(a) increases
(b) decreases
(c) remains the same
(d) none of these​

Answer 1

Answer:

(c) decrease s

Explanation:

Removing energy (cooling) atoms and molecules decreases their motion, resulting in a decrease in temperature. ... Temperature is a measure of the average kinetic energy of the atoms or molecules of a substance. Heat is the transfer of energy from a substance at a hi

higher temperature to a substance at a lower temperature

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Answer 2

Answer:

Decreases

Explanation:

remember heat is generated when molecules/atoms vibrate a lot. This vibration leads to increase in Kinetic energy. Thus when it is cooled it's vibration is slowed thus kinetic energy is reduced