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4213. Which is not a refrigerant?

September 7, 2025 by Admin

A. SO₂

B. NH₃

C. CCl₂F₂

D. C₂H₄Cl₂

✅ The correct answer is option D.

Categories Chemical Engineering, Engineering, Thermodynamics MCQs Tags Chemical Engineering MCQs, Engineering MCQs, Thermodynamics MCQs

4247. It is desired to bring about a certain change in the state of a system by performing work on the system under adiabatic conditions.

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