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

Related Mcqs:

1. 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...

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

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

3. 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...

4. Surface Tension ________with increasing the surface area of liquid?

   A. Decreases B. Increases C. Remains Same D. None Submitted by: Zahid Jagirani...

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

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

6. The partial pressure exerted by the water vapours is called_______________?

   A. Surface tension B. Aqueous tension C. Vapour pressure D. Hydraulic pressure...

7. 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...

8. Conversion of reactant into product in unit time is called________________?

   A. rate of forward reaction B. rate of backward reaction C. rate constant D. rate co-efficient...

9. Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?

   A. buffer solution B. normal solution C. standard solution D. neutral solution...

10. Concentration of solute molecule when they are in equilibrium with solid substance at particular temperature is called________________?

    A. saturated solution B. solubility C. unsaturated solution D. super saturated solution...