The processes of effusion and diffusion are best understand by________________?

Related Mcqs:

1. What is the relative rate of effusion of CO and CO2 ?

   A. CO is 1.25 times faster than CO2
   B. CO is 3.75 times faster than CO2
   C. CO is 1.25 times faster than CO
   D. Both diffuse at the same rate

2. Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?

   A. Graham’s Law
   B. Gay-Lussac’s law
   C. Boyle’s law
   D. None of these

   Submitted by: Malik Asghar Hussain

3. The diffusion of gases at absolute zero will be________________?

   A. Unchanged
   B. Slightly decreased
   C. Slightly increased
   D. Zero

4. Which of the following processes is used for the synthesis of cement ?

   A. dry process
   B. wet process
   C. both
   D. none

5. Angle of deflection was studied by________________?

   A. Hitorff
   B. Stoney
   C. William Crookes
   D. J.Perrin

6. The relationship between energy of a photon of light and its frequency is given by________________?

   A. de-Broglie duel nature of matter
   B. Bohrs model
   C. Plancks Quantum theory
   D. Rutherfords atomic model

7. Atom cannot be divided into simple unitstheorized by________________?

   A. Rutherford
   B. Dalton
   C. Bohr
   D. Schrodinger

8. Idea of pH and pOH was put forward by________________?

   A. Gibbs
   B. Einstein
   C. Sorenson
   D. Chadwick

9. The fertility of the soil is improved by________________?

   A. Rotation of the crops
   B. Adding lime to the acid salts
   C. Adding manure and growing legumes
   D. All

10. When the reaction completes in more than one steps rate of reaction will be determined by________________?

    A. Fast step
    B. Slowest step
    C. All steps
    D. Molecularity of the reaction