Woollen clothes protect the body from cold because
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Zeroth Law of Thermodynamics leads to
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Which of the following does not require a medium?
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Absolute zero is defined as
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A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by
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In a refrigerator, the cooling system should always be
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The boiling point of water is-
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At which temperature, are fahrenheit and celsius equal?
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In the season of summer, we experience a humid heat when weather
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A cycle tyre bursts suddenly. This represents an
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Ice is packed in saw dust because
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The value of 50°C in Fahrenheit scale is
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Which of the following statements is not true?
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What is the boiling point of water?
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In winter you touch a log of wood and a rod of iron, you will feed rod of iron is colder because
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Boiling point of water is . . . . . . . .
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What causes water pipes burst at freezing temperature?
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What is, the product of pressure and volume and the sum of internal energy?
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Thermal conductivity of aluminium, copper and stainless steel increases in the order
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Thermostat is a device which
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