Question

how do you prove that liquids expand on heating​

Answer 1

Answer:

Explanation:

Experiment - Take a round bottom flask and fill it with water. Close its mouth with a cork having a delivery tube and mark the level of water as A. Now heat the flask, we see that the level of water in the tube rises from A to a higher mark B. Observation - This shows that liquids expand on heating.

Answer 2

Answer:

It can be proved experimentally.

Experiment - Take a round bottom flask and fill it with water.

Close its mouth with a cork having a delivery tube and mark the level of water as A.

Now heat the flask, we see that the level of water in the tube rises from A to a higher mark B.

Observation - This shows that liquids expand on heating.