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.Management Sciences
Category: Stoichiometry
Percentage saturation of a vapor bearing gas is always _____________ the relative saturation?
0
A. Higher than
B. Smaller than
C. Equal to
D. Either A. or B.; depends on the system
In case of a ternary system involving two liquid components and a solute, the ratio of the concentration of the solute in the two phases at equilibrium is called the distribution co-efficient. The distribution co-efficient depends upon the______________?
A. Solute concentration
B. Temperature
C. Both A. & B.
D. Neither A. nor B.
1 kg/cm2 is equal to________________?
A. 760 torr
B. 1 KPa
C. 10 metres of water column
D. 1 metre of water column
On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is ______________ gm?
A. 82
B. 164
C. 41
D. 8.2
In a neutral solution _________________?
A. H+ ions are absent
B. OH- ions are absent
C. Both H+ and OH- ions are present in very small but equal concentration
D. None of these
Atmospheric pressure corresponds to a hydrostatic head of_________________?
A. 13.6 cms of Hg
B. 34 ft ofH2O
C. 1 metre of H2O
D. 13.6 metres of Hg
Dissolving a solute in a solvent does not change its________________?
A. Specific heat
B. Vapour pressure
C. Viscosity
D. None of these
The atomic heat capacities of all solid elements ______________ with decrease in temperature?
A. Increases
B. Decreases
C. Remains unchanged
D. Approach zero at 0°C
With rise in temperature, the heat capacity of a substance___________________?
A. Increases
B. Decreases
C. Remains unchanged
D. Either A. or B.; depends on the substance
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