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

Related Mcqs:

1. which Compound Destroy The OZONE ?

   A. CFCs B. CH3COOH C. BOTH A & B D. None Of These Submitted by: Ali Jan...

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. A process in which large molecules are broken up into into smaller molecules is called as_____.

   A. Reforming B. Cracking C. Refining D. Isomerization Submitted by: Aamir khan Hullio...

4. Methyl radical is ___________?

   A. Sp3 hybrid having 8 electrons B. Sp2 hybrid having 6 electron C. sp2 hybrid having 7 electron D. Sp hybrid having linear geometry Submitted by: Aneela shabbir...

5. Which of the following terms is used for the mass of chlorine 35.5 ?

   A. relative atomic mass B. mass number C. atomic weight D. relative isotopic mass...

6. Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

   A. Cl2O B. ClO2 C. Cl2O6 D. Cl2O7...

7. Which is the paramagnetic oxide of chlorine ?

   A. Cl2O7 B. Cl2O6 C. ClO2 D. all...

8. The colour of chlorine gas is_______________?

   A. pale yellow B. freenish yellow C. reddish brown D. grayish black...

9. Chlorine Cl when attached to benzene has________?

   A. +I and +R effect B. -1 and +R effect C. +1 and -R effect D. -I and -R effect Submitted by: Muhammad Ali Kunbhar...

10. Z number for chlorine is __________?

    A. 35.5 B. 17 B. 15 D. 21 Submitted by: Aamir khan Hullio...