The partial pressure exerted by the water vapours is called_______________?

Related Mcqs:

1. The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?

   A. Dipole-dipole forces
   B. Ion dipole-dipole forces
   C. London dispersion forces
   D. Debye forces

2. Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?

   A. one / seventeen
   B. sixteen / seventeen
   C. one / three
   D. two / three

3. Which one is not the partial pressure of oxygen in the lungs ?

   A. 0.1526 atm
   B. 116 mm of Hg
   C. 116 torr
   D. 1 atm

4. The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?

   A. vaporization
   B. evaporation
   C. crystallization
   D. sublimation

5. Formation of vapours from the surface of a liquid is called________________?

   A. vapourization
   B. evaporation
   C. condensation
   D. cracking

6. The conversion of vapours back into their liquid state is called__________________?

   A. crystallization
   B. evaporization
   C. vaporization
   D. condensation

7. Direct conversion of solids into vapours is called ___________________?

   A. Solvent extraction
   B. sublimation
   C. crystallization
   D. vaporization

8. The process in which solid changes directly into vapours without passing through liquid state?

   A. Decantation
   B. Sublimation
   C. Evaporation
   D. None

   Submitted by: Naintara Mustafa

9. For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?

   A. Kc is generally greaer than Kp
   B. Kc is generally less than Kp
   C. Kc is generally equal to Kp
   D. Kc is equal to Kp if the total moles of reactants and products are equal

10. The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is___________?

    A. Dalton’s law
    B. Gay Lussac’s law
    C. Henry’s law
    D. Raoult’s law

    Submitted by: Muhammad Ali Kunbhar