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1) Why does bubbles appearwhen a liquid is heated?? 2) What is the change in average kinetic energy of molecules of a liquid during boiling at its boiling point?? 3) How is heat is supplied to a liquid used during boiling at a fixed temperature?? 4) Name two ways of changing liquid state to the vapour state and distinguish them?? |
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Answer» 1) Why does bubbles appearwhen a liquid is heated?? 2) What is the change in average kinetic energy of molecules of a liquid during boiling at its boiling point?? 3) How is heat is supplied to a liquid used during boiling at a fixed temperature?? 4) Name two ways of changing liquid state to the vapour state and distinguish them?? |
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