At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole. September 7, 2025 by Admin A. 72 B. 92 C. 142 D. 192 ✅ The correct answer is option B.
The temperature at which both liquid and gas phases are identical, is called the __________ point. September 7, 2025 by Admin A. Critical B. Triple C. Freezing D. Boiling ✅ The correct answer is option A.
After throttling, gas temperature September 7, 2025 by Admin A. Decreases B. Increases C. Remains same D. May increase or decrease ; depends on the nature of the gas ✅ The correct answer is option A.
Which of the following decreases with increase in pressure? September 7, 2025 by Admin A. Melting point of ice B. Melting point of wax C. Boiling point of liquids D. None of these ✅ The correct answer is option A.
Which of the following is not an intensive property? September 7, 2025 by Admin A. Chemical potential B. Surface tension C. Heat capacity D. None of these ✅ The correct answer is option C.
Claude’s liquefaction process employs the cooling of gases by September 7, 2025 by Admin A. Expansion in an engine B. Following a constant pressure cycle C. Throttling D. None of these ✅ The correct answer is option A.
Reduced pressure of a gas is the ratio of its September 7, 2025 by Admin A. Pressure to critical pressure B. Critical pressure to pressure C. Pressure to pseudocritical pressure D. Pseudocritical pressure to pressure ✅ The correct answer is option A.
Which of the following is Virial equation of state? September 7, 2025 by Admin A. (p + a/V²)(V – b) = nRT B. PV = nRT C. PV = A + B/V + C/V² + D/V³ + … D. None of the above ✅ The correct answer is option C.
__________ functions are exemplified by heat and work. September 7, 2025 by Admin A. Path B. Point C. State D. None of these ✅ The correct answer is option A.
For a constant volume process September 7, 2025 by Admin A. dE = CpdT B. dE = CvdT C. dQ = dE + pdV D. dW = pdV ✅ The correct answer is option B.