HARD
11th CBSE
IMPORTANT
Earn 100
What chemical reactions are occurring in the stratosphere?
Important Questions on Environmental Chemistry
HARD
11th CBSE
IMPORTANT
How is depleting ozone layer?
HARD
11th CBSE
IMPORTANT
How are ‘freons’ creating a hole in the ozone layer?
HARD
11th CBSE
IMPORTANT
What are the reactions occurring in the mesosphere?
HARD
11th CBSE
IMPORTANT
How ozone layer is formed and acting as a protecting umbrella?
HARD
11th CBSE
IMPORTANT
What are the factors responsible for depletion of ozone layer? What are the chemical reactions involved?
HARD
11th CBSE
IMPORTANT
What do you understand by ozone hole? Why does it occur mainly over Antarctica?
HARD
11th CBSE
IMPORTANT
What do you understand by (i) polar stratospheric clouds (ii) polar vortex?
HARD
11th CBSE
IMPORTANT
List the main points of difference between ‘London smog’ and ‘Photochemical smog’.
