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The number of degrees of freedom for an azeotropic mixture in a two component vapour-liquid equilibria is/are

A. Zero

B. One

C. Two

D. Three

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  3. The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is
  4. The ammonia synthesis reaction represented by N2 + 3H2 2NH3; ΔH = - 22.4 kcal, is
  5. Pick out the wrong statement.
  6. For equilibrium process (i.e. reversible) in an isolated system
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  9. A gas shows deviation from ideal behaviour at
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  13. Those solutions in which there is no volume change upon mixing the components in the liquid state and…
  14. Pick out the correct statement:
  15. No work is done by the system, when a reaction occurs at constant
  16. For the reversible exothermic reaction, N2 + 3H2 2NH3, increase of pressure would
  17. In an ideal refrigeration cycle, the change in internal energy of the fluid is
  18. Helmholtz free energy (A) is defined as
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  21. Gibbs free energy per mole for a pure substance is equal to the
  22. A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system
  23. In polytropic process (PVn = constant), if n = 1; it means a/an __________ process.
  24. If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are…
  25. If different processes are used to bring about the same chemical reaction, the enthalpy change is same…
  26. An ideal monatomic gas is taken round the cycle ABCDA as shown below in the P-V diagram. The work done…
  27. The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in
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  29. Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the
  30. Consider the process A & B shown in the figure given below: In this case, it is possible that