The temperature at which the second Virial co-efficient of a real gas is zero is called the:
A. Eutectic point
B. Boyle temperature
C. Boiling point
D. Critical temperature
Percentage saturation of a vapor bearing gas is always _____ the relative saturation:
A. Higher than
B. Smaller than
C. Equal to
D. Either A. or B.; depends on the system
Size range of the colloids particles is:
A. 5 – 200 milli-microns
B. 50 – 200 microns
C. 500 – 1000 microns
D. 10 – 50 Angstrom
Addition of a non-volatile solute to a solvent produces a _____ in its solvent:
A. Freezing point elevation
B. Boiling point depression
C. Vapor pressure lowering
D. All A., B. & C.
6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H2 produced will be ____ gm:
A. 0.5
B. 1
C. 3
D. 5
Boiling point of a solution as compared to that of the corresponding solvent is:
A. Less
B. More
C. Same
D. Either more or less
Number of gm moles of solute dissolved in 1 kg of solvent is called its:
A. Normality
B. Molarity
C. Molality
D. Formality
Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm:
A. 1
B. 2
C. 3
D. 4
1 Pascal (unit of pressure) is equal to _____ N/m2:
A. 10
B. 1
C. 0.1
D. 1000
Heat of solution in a system in which both solute and solvent are liquids is termed as:
A. Heat of solvation
B. Heat of hydration
C. Standard integral heat of solution
D. Heat of mixing
