01 Which thermodynamic quantity helps determine the spontaneity of a chemical reaction?

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02 After a hot sunny day, water is sprinkled on a terrace because:

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03 Why are two thin blankets warmer than one thick blanket?

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04 Which group consists of thermal insulators?

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05 Assertion (A): A small gap is left between railway tracks. Reason (R):…

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06 Which statement is correct?

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07 Which pair consists of comparatively poor conductors of heat?

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08 What is the usual mode of heat transfer in fluids?

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09 Which group consists of heat conductors?

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10 A heat-sensitive resistor is called a:

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