A. +ve
B. 0
C. -ve
D. ∞
A. Pressure must be kept below 5.2 atm
B. Temperature must be kept above – 57°C
C. Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C
D. Pressure and temperature must be kept below 5.2 atm. and – 57°C respectively
A. Equal to its density
B. The reciprocal of its density
C. Proportional to pressure
D. None of these
A. Solution
B. Vaporisation
C. Formation
D. Sublimation
A. Extensive property
B. Intensive property
C. Force which drives the chemical system to equilibrium
D. Both B. and C
A. Chemical potentials of a given component should be equal in all phases
B. Chemical potentials of all components should be same in a particular phase
C. Sum of the chemical potentials of any given component in all the phases should be the same
D. None of these
A. Enthalpy remains constant
B. Entropy remains constant
C. Temperature remains constant
D. None of these