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  3. Chemistry
  4. Identify the incorrect statement from the following:

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Q. Identify the incorrect statement from the following:

AIEEEAIEEE 2011Environmental Chemistry

Solution:

Layer of $O_3$ in upper atmosphere absorbs UV radiations from sun, thus protects the human being living on the earth.
Nitrogen oxides (particularly nitric oxide) combine very rapidly with ozone and there is, thus, the possibility that nitrogen oxides emitted from the exhaust systems of supersonic jet aeroplanes might be slowly depleting the concentration of the ozone layer in the upper atmosphere.
The use of chlorofluoro carbon in aerosol and refrigerator and there, subsequent escape into the atmosphere is responsible for making holes in the ozone layer. Ozone at all does not absorb infrared radiation.