Heat and kinetic theory of gases

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Question 1. A pressure cooker works on the principle of



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Question 2. Pressure of a gas increases due to increase of its temperature because at higher temperature






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Question 3. A balloon filled up with gas would only go up on air it is filled up with







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Question 4. The temperature of water at the bottom of a lake whose upper surface has frozen to ice would be around






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Question 5.






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Question 6.






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Question 7.







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Question 8.






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Question 9. When a solid is heated, it turns directly into a gas. This process is called






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Question 10. The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its melting point. The melting point of a solid is an indication of






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