Charles’ law for gases states that__________________?

Related Mcqs:

1. Boyle’s law for gases states that____________________?

   A. P ∝ 1/V, when temperature is constant
   B. P ∝ 1/V, when temperature & mass of the gas remain constant
   C. P ∝ V, at constant temperature & mass of the gas
   D. P/V = constant, for any gas

2. Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are_______________?

   A. Always greater than one
   B. Same at the same reduced temperature
   C. Same at the same reduced pressure
   D. Both B. & C

3. “The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?

   A. Raoult’s
   B. Henry’s
   C. Amagat’s
   D. None of these

4. 1st law of thermodynamics is nothing but the law of conservation of___________________?

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

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

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

6. The second law of thermodynamics states that___________________?

   A. The energy change of a system undergoing any reversible process is zero
   B. It is not possible to transfer heat from a lower temperature to a higher temperature
   C. The total energy of system and surrounding remains the same
   D. None of the above

7. The third law of thermodynamics states that the__________________?

   A. Heat capacity of a crystalline solid is zero at absolute zero temperature
   B. Heat transfer from low temperature to high temperature source is not possible without external
   work
   C. Gases having same reduced properties behaves similarly
   D. None of these

8. “Law of corresponding states” says that___________________?

   A. Two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same
   B. The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at
   the critical temperature
   C. No gas can be liquefied above the critical temperature, howsoever high the pressure may be.
   D. The molar heat of energy of gas at constant volume should be nearly constant (about 3
   calories)

9. Lenz’s law results from the law of conservation of___________________?

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

10. 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