Raoult’s law is not applicable to the___________________?

Related Mcqs:

1. According to Raoult’s law, “The vapor pressure exerted by component in a solution is proportional to the mole fraction of that component.” Raoult’s law is not applicable under the following assumption/condition?

   A. No component is concentrated at the surface of the solution
   B. The component molecules are non polar and are of almost equal size
   C. In the formation of solution, chemical combination/molecular association between unlike
   molecules takes place
   D. The attractive forces between like and unlike molecules are almost equal

2. 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

3. Ideal gas law is applicable at____________________?

   A. Low T, low P
   B. High T, high P
   C. Low T, high P
   D. High T, low P

4. The thermodynamic law, PVy = constant, is not applicable in case of______________?

   A. Ideal compression of air
   B. Free expansion of an ideal gas
   C. Adiabatic expansion of steam in a turbine
   D. Adiabatic compression of a perfect gas

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

   A. Solvent is from low concentration to high concentration region
   B. Solvent is from high concentration to low concentration region
   C. Solute takes place
   D. None of these

6. 1st law of thermodynamics is nothing but the law of conservation of___________________?

   A. Momentum
   B. Mass
   C. Energy
   D. None of these

7. The first law of thermodynamics is a restatement of the law of conservation of_________________?

   A. Mass
   B. Energy
   C. Momentum
   D. None of these

8. Permeability of bricks is a measure of the___________________?

   A. Refractoriness
   B. Melting point
   C. Rate at which a fluid will pass through the pores
   D. Expansion during heating

9. Measurement of the amount of dry gas collected over water from volume of moist gas is based on the___________________?

   A. Charle’s law
   B. Dalton’s law of partial pressures
   C. Avogadro’s hypothesis
   D. Boyle’s law

10. 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