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  1. If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change…
  2. If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial…
  3. Joule-Thomson co-efficient for a perfect gas is
  4. Pick out the wrong statement.
  5. Absorption/evolution of heat during conversion of a substance from one allotropic form to another is…
  6. The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in…
  7. The internal energy of an ideal gas is a function of its __________ only.
  8. The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium,…
  9. Solid and liquid phases of a substance are in equilibrium at the
  10. Which of the following is an undesirable characteristic of a refrigerant?
  11. Third law of thermodynamics is helpful in
  12. With increase in temperature, the internal energy of a substance
  13. At absolute zero temperature, the __________ of the gas is zero.
  14. Entropy is a/an
  15. One ton of refrigeration capacity is equivalent to the heat removal rate of
  16. The work done in an adiabatic change in a particular gas depends upon changes in the __________ only.
  17. At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.
  18. The absolute entropy for all crystalline substances at absolute zero temperature is
  19. __________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very…
  20. Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance…
  21. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
  22. Pick out the wrong statement.
  23. Specific heat of a gas for a reversible adiabatic process is
  24. Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole.…
  25. If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical,…
  26. First law of thermodynamics deals with the
  27. Which one is true for a throttling process?
  28. Pick out the wrong statement.
  29. The co-efficient of performance (COP) of a refrigerating system, which is its index of performance,…
  30. Gases are cooled in Joule-Thomson expansion, when it is __________ inversion temperature.