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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Statement 1: Change of state is an example of isothermal process.
Statement 2: Change of state from solid to liquid occurs only at melting point of solid and change of state from liquid to gas occurs only at boiling point of liquid. Thus, there is no change of temperature during change of state.
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Correct option: A
Statement 1 is true and statement 2 is true
Option A (Statement 1 is true and statement 2 is true) is correct because change of state occurs at a constant temperature (isothermal process) at the melting or boiling point.

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