A. Pressure to critical pressure
B. Critical pressure to pressure
C. Pressure to pseudocritical pressure
D. Pseudocritical pressure to pressure
A. Isothermal
B. Adiabatic
C. Isentropic
D. Polytropic
A. Two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same
B. The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at
the critical temperature
C. No gas can be liquefied above the critical temperature, howsoever high the pressure may be.
D. The molar heat of energy of gas at constant volume should be nearly constant (about 3
calories)
A. Evaporation
B. Liquid extraction
C. Drying
D. Distillation
A. Initial concentration of the reactant
B. Pressure
C. Temperature
D. None of these
A. d ln p/dt = Hvap/RT2
B. d ln p/dt = RT2/Hvap
C. dp/dt = RT2/Hvap
D. dp/dt = Hvap/RT2
A. Any
B. A perfect
C. An easily liquefiable
D. A real