The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the_______________?

Related Mcqs:

1. Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?

   A. Nature of the liquid
   B. Nature of the gas
   C. Temperature of the liquid
   D. Total pressure

2. The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the_____________________?

   A. Relative humidity
   B. Relative saturation
   C. Percentage saturation
   D. None of these

3. Diffusion is that property by virtue of which a perfume bottle when opened up in a room, makes the whole room fragrant with its smell. If a perfume ‘X’ diffuses twice as fast as another perfume ‘Y’; what is the molecular weight of ‘Y’, if the vapor density of gas ‘X’ is 2? Molecular weight of gas ‘X’ is to be assumed to be 2 ?

   A. 2
   B. 4
   C. 8
   D. 16

4. The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?

   A. 2M
   B. M/2
   C. M
   D. M/4

5. A vapor whose partial pressure is less than its equilibrium vapor pressure is called a ______________ vapor?

   A. Saturated
   B. Supersaturated
   C. Superheated
   D. None of these

6. A vapor whose partial pressure is less than its equilibrium vapor pressure is called the _____________ vapor?

   A. Saturated
   B. Superheated
   C. Unsaturated
   D. Dry gaseous

7. Saturated molal absolute humidity of the vapor-gas mixture depends upon the______________________?

   A. Vapor pressure at dry bulb temperature
   B. Total pressure
   C. Both A. and B.
   D. Neither A. nor B.

8. A saturated vapor on being compressed would___________________?

   A. Condense
   B. Form wet steam
   C. Both A. & B.
   D. Neither A. nor B.

9. For an ideal solution, the total vapor pressure varies _____________ with the composition (expressed as mole fraction)?

   A. Inversely
   B. Exponentially
   C. Linearly
   D. Negligibly

10. A vapor that exists above its critical temperature is termed as a _____________ vapor?

    A. Saturated
    B. Unsaturated
    C. Gaseous
    D. Sub-cooled