Question

(a) what is ozone ? (b) how is it formed (c) what is u n e p? What step has has been taken by u.n.e.p in 1987 to present too damage to ozone player

Answer 1

(C) The United Nations Environment Programme is an agency of United Nations and coordinates its environmental activities, assisting developing countries in implementing environmentally sound policies and practices.

(a) and (b) Stratospheric ozone is formed naturally by chemical reactions involving solar ultraviolet radiation (sunlight) and oxygen molecules, which make up 21% of the atmosphere.

Answer 2

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a) ozone is a poisonous gas which is another form of oxygen.
b) it is formed when 2 molecules of oxygen combine.
reaction - O2 + UV => O + O

2 O + 2 O2 + third molecule => 2 O3 + third molecule

Net Reaction: 3 O2 + UV => 2 O3

c) many steps are taken by u.n.e.p. to prevent the damage on ozone like the refrigerators which released harmful radiations which was destroying ozone were banned and the gases in refrigerators were also changed.

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