A. Freezing
B. Triple
C. Boiling
D. Boyle
Related Mcqs:
- At ____________ point, all the three phases (i.e. solid, liquid and gas) co-exist ?
A. Eutectic
B. Triple
C. Plait
D. Critical - “The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?
A. Raoult’s
B. Henry’s
C. Amagat’s
D. None of these - Solid and liquid phases of a substance are in equilibrium at the____________________?
A. Critical temperature
B. Melting point
C. Freezing point
D. Both B. and C - For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the _______________ of each component must be same in all phases?
A. Chemical potential
B. Fugacity
C. Both A. and B
D. Neither A. nor B - The temperature at which both liquid and gas phases are identical, is called the _____________ point?
A. Critical
B. Triple
C. Freezing
D. Boiling - The minimum number of phases that can exist in a system is________________?
A. 0
B. 1
C. 2
D. 3 - For a thermodynamic system containing ‘x’ chemical species, the maximum number of phases that can co-exist at equilibrium is_________________?
A. x
B. x + 1
C. x + 2
D. x + 3 - At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by (where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) ?
A. μ° + RT ln f
B. μ°+ R ln f
C. μ° + T ln f
D. μ° + R/T ln f - The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?
A. V1/V2
B. V2/V1
C. V1 – V2
D. V1.V2 - Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________________?
A. Mixing
B. Adsorption
C. Wetting
D. Complete wetting
