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The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise.

A. Increases

B. Decreases

C. Remains unchanged

D. Decreases linearly

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

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  1. Any substance above its critical temperature exists as
  2. Entropy of a substance remains constant during a/an __________ change.
  3. A system undergoes a change from a given initial state to a given final state either by an irreversible…
  4. What is the ratio of adiabatic compressibility to isothermal compressibility?
  5. If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change…
  6. If the internal energy of an ideal gas decreases by the same amount as the work done by the system,…
  7. Pick out the correct statement.
  8. In a turbine, the fluid expands almost
  9. Pick out the correct statement.
  10. Entropy change in case of reversible adiabatic process is
  11. For a constant volume process
  12. Absolute zero temperature signifies the
  13. Critical compressibility factor for all substances
  14. Which is not constant for an ideal gas?
  15. For a cyclic process, a fixed ratio between heat and work
  16. As the entropy of the universe is increasing, day by day, the work producing capacity of a heat engine…
  17. Melting of ice is an example of an __________ process.
  18. What is the value of Joule-Thomson co-efficient for an ideal gas?
  19. What is the degree of freedom for two miscible (non-reacting) substances in vapor-liquid equilibrium…
  20. Throttling (Joule-Thomson effect) process is a constant __________ process.
  21. Which of the following exemplifies an adiabatic process?
  22. Critical solution temperature (or the consolute temperature) for partially miscible liquids (e.g., phenol-water)…
  23. Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid…
  24. Gibbs free energy per mole for a pure substance is equal to the
  25. A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the…
  26. Pick out the wrong statement.
  27. Fugacity and pressure are numerically not equal for the gases
  28. Pick out the wrong statement.
  29. The internal energy of an incompressible fluid depends upon its
  30. Work done may be calculated by the expression ∫ p dA for __________ processes.