Question

heat cause expansion because​

Answer 1

Answer: On heating, gases expand the most. Because the molecules of gases are not bound to each other, the vibration of molecules increases when gases are heated. ... In liquids and solids, molecules are bound to each other and restrict the expansion as compared to those in gases.

Answer 2

Answer:

On heating an article or an object, the atoms between them vibrates faster. As a result, it expands.

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