Question

A balloon when kept in sun, bursts after some time. Why?

Answer 1

Answer:

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A balloon when kept in sun bursts after some time because outside the temperature is high and due to that the kinetic energy increases and the molecules of gas particles inside exerts a pressure on the walls of the balloon so it will continue to expand and there a stage will come that the balloon will burst..

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Answer 2

When a balloon is kept in the sun, the temperature increases and therefore the kinetic energy is high. This makes the particles inside the balloon exert pressure on the walls of the balloon and thus the balloon bursts

Hope this will help u :)