Ozone is formed in the upper layer of the atmosphere from oxygen by action of:____________?

Related Mcqs:

1. In which of the following layer of atmosphere there is more thickness of ozone layer ?

   A. troposphere
   B. stratosphere
   C. mesosphere
   D. photosphere

2. Ozone hole is substantial depletion of ozone in every year during__________________?

   A. Aug – Nov
   B. Sep – Nov
   C. Nov – Dec
   D. Dec – Jan

3. Which of the following air pollutants is more dangerous for ozone layer ?

   A. CFC
   B. CO2
   C. CO
   D. Oxides of nitrogen

4. 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

5. When the atoms of third layer are arranged in such a way that they directly lie above the atoms of first layer then this arrangement is called_________________?

   A. ABAB (hexagonal)
   B. ABCABC (Cubic)
   C. Orthor hombic
   D. Rhombohedral

6. moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?

   A. 0.18 mole
   B. 0.27 mole
   C. 0.24 mole
   D. 0.09 mole

7. A single chlorine free radical can destroy how many ozone molecules ?

   A. 10
   B. 100
   C. 10000
   D. 100000

8. which Compound Destroy The OZONE ?

   A. CFCs
   B. CH3COOH
   C. BOTH A & B
   D. None Of These

   Submitted by: Ali Jan

9. The rate of formation of ozone depends on the flux of:

   A. visible radiation
   B. Ultra violet radiation
   C. Infrared radiation
   D. Gamma rays

   Submitted by: Said wali shah

10. Antiseptic Urotropine formed by ____________?

    A. Carboxylic acid
    B. Acetaldehyde
    C. Formaldehyde
    D. Ketone

    Submitted by: Safeullah Bullo