"Ozone layer acts as an umbrella to the Biosphere".
a. Justify the statement.
b. Suggest the ways to reduce the ozone layer depletion.

"Ozone layer acts as an umbrella to the biosphere". Justify the Statement.

"Ozone layer acts as an umbrella to the biosphere". Suggest the ways to reduce the ozone layer depletion.

Give the reactions involved for ozone layer depletion.

How do CFCs affect ozone layer?

As a result of stratospheric pollution the ozone layer is destructed. Write a harmful effect of ozone layer depletion.

Explain i) ozone layer acts as an umbrella for the earth against the harmful radiation from sun. ii) The wooden shelf under thé reagent bottle containing conc. H_2 SO_4 blackens after sometime. iii Precipitation of secònd group sulphides in qualitative analysis is càrried out with H_2 S in presence of HCl and not nitric acid.