In jet refrigerators, the refrigerating fluid is practically always_________________?

A. Evaporation
B. Liquid extraction
C. Drying
D. Distillation

A. Increases
B. Decreases
C. Remains unchanged
D. Data insufficient, can’t be predicted

A. Lewis-Randall
B. Margules
C. Van Laar
D. Both B. & C.

A. Same
B. Doubled
C. Halved
D. One fourth of its original value

A. F = A + PV
B. F = E + A
C. F = A – TS
D. F = A + TS

A. Fugacity
B. Activity co-efficient
C. Free energy
D. None of these