Related Questions

Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture.
A Free
B Unbound
C Equilibrium
D Bound
Moisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture.
A Bound
B Unbound
C Critical
D None of these
Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture.
A Unbound
B Critical
C Free
D Bound
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be
A Same
B Doubled
C Halved
D One fourth of its original value
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
A $${\frac{3}{4}^{{\text{th}}}}$$ of it will disintegrate in two months
B It will completely disintegrate in two months
C It will completely disintegrate in four months
D $${\frac{l}{8}^{{\text{th}}}}$$ of it will remain intact at the end of four months
When two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other. This statement is called
A Zeroth law of thermodynamics
B First law of thermodynamics
C Second law of thermodynamics
D Kelvin Planck's law
When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the
A Le-Chatelier principle
B Kopp's rule
C Law of corresponding state
D Arrehenius hypothesis
Bound moisture is that liquid which exerts an equilibrium vapor pressure __________ that of the pure liquid at the given temperature.
A Less than
B More than
C Equal to
D Either A or B; depends on the solid
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

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