Question

with the help of an experiment, prove that gases expand on heating? ​

Answer 1

Answer:

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Explanation:

Observe the bubbles of air inthe water. Now allow the beaker to cool. As the air inside the flask contracts, the water rises up the tube. This proves that gas like air expands on heating and contracts on cooling.

Answer 2

Explanation:

The air in the flask expands and moves out of the flask through the tube into the beaker containing water. ... Now allow the beaker to cool. As the air inside the flask contracts, the water rises up the tube. This proves that gas like air expands on heating and contracts on cooling.