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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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When a gas undergoes adiabatic expansion, it gets cooled due to
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Correct option: A
Loss of kinetic energy
Option A (Loss of kinetic energy) is correct because adiabatic expansion involves work done by the gas, which comes at the expense of its internal energy and thus kinetic energy.
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is