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MHT CET Chemistry question

ChemistryThermodynamicsMHT CET

For an adiabatic change some statements are given below : 1. The internal energy decreases during expansion. 2. Heat is lost by the system when work is done on it. 3. Temperature always remains constant during the change. 4. The system heats up during compression. From the above

Answer: (D)

Solution

Taking A, B, C, D as statements 1 to 4: in an adiabatic change q = 0, so expansion lowers U (1 true), no heat is lost when work is done on the system (2 false),

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Question ID VK-063958