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CHEMISTRY

Chemistry
Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between

20 and 50 km
10 and 20 km
50 and 100 km
5 and 10 km

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Chemistry
Which one of the following is not a ‘green house gas’ ?

Chlorofluorocarbons
Methane
Nitrogen
Carbon dioxide

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Chemistry
Green house effect is accelerated by

Deforestation
All of these
Rapid industrialization
Increased transportation activity

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Chemistry
Smoke is formed due to

Gas dispersed in gas
Solid dispresed in liquid
Gas dispresed in solid
Solid dispersed in gas

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Chemistry
The increasing abundance of green house gases in atmosphere has led to the following effect except

Depletion of ozone layer in the stratosphere
Oxygen fertilization effect
Carbon dioxide ferilization effect
Global warming

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