In osmosis through a semi-permeable membrane, diffusion of the___________________?

Related Mcqs:

1. The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be _____________ times?

   A. 1/2
   B. 4
   C. √2
   D. 1/4

2. 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

3. Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils ?

   A. Elaiden test
   B. Reichert-Meissl value test
   C. Hunter value test
   D. Iodine value test

4. Silicon crystal can be converted to p-type semi-conductor by doping with__________________?

   A. Phosphorous
   B. Nitrogen
   C. Carbon
   D. Boron

5. Raoult’s law is not applicable to the___________________?

   A. Solutes which dissociate or associate in the particular solution
   B. Concentrated solutions
   C. Both B. & C.
   D. Solutions containing non-volatile solute

6. 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

7. The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the___________________?

   A. Trouton’s rule
   B. Kopp’s rule
   C. Antoine equation
   D. Kistyakowsky equation

8. Heat of reaction is a function of the___________________?

   A. Pressure
   B. Temperature
   C. Both A. & B.
   D. Neither A. nor B.

9. The resistance of water to the passage of light through it is a measure of the___________________?

   A. Turbidity
   B. Color
   C. Hardness
   D. Dissolved gases

10. The progressive warming up of the earth’s surface is mainly due to the___________________?

    A. Automobile exhaust
    B. Blanketing effect of CO2 in the atmosphere
    C. De-forestation
    D. Thickening of ozone layer