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Thermodynamics

NEET level, single correct, medium

3 of 3

Question 3 of 3

For an isolated system, the change in internal energy $\Delta U$ is always:

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Answer: (D) Zero

Isolated systems exchange neither energy nor matter with surroundings, hence

\Delta U = 0

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NEET 2025 question paper (Code 45)

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Revise Chemical Thermodynamics firstFormula sheet, solved examples and the traps students fall into.

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NEET Chemistry practice question on Thermodynamics, with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.

For an isolated system, the change in internal energy ΔU\Delta UΔU is always:

NEET question paper PDF

More Chemistry practice

For an isolated system, the change in internal energy $\Delta U$ is always: