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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  1. For a reversible process involving only pressure-volume work
  2. Pick out the wrong statement.
  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
  7. Refrigeration capacity of a household refrigerator may be round about __________ tons.
  8. Cp - Cv = R is valid for __________ gases.
  9. A gas shows deviation from ideal behaviour at
  10. Absolute zero temperature signifies the
  11. What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at…
  12. Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal…
  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
  19. The amount of heat required to decompose a compound into its elements is __________ the heat of formation…
  20. Which of the following is a widely used refrigerant in vapour compression refrigeration system (using…
  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
  28. The expression, nCv(T2 - T1), is for the __________ of an ideal gas.
  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