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CHEMISTRY

Chemistry
The gas which is mainly responsible for the green house effect is:

Oxygen
Ozone
Carbon dioxide
Carbon monoxide

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Chemistry
Chernobyl disaster is the result of pollution by

Acid rain
Radioactive waste
Carbon dioxide
Oil spill

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Chemistry
‘Aerosol’ is known as

Microbes, present in air
Green house gas present in air
Suspended solid particles in air
Pollutant gas, present in air

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Chemistry
Match the List-I with List-II and select the correct answer using the codes given below the listsList-I (Green house gas)List-II(Major source)F.Carbondioxide1.Enteric fermentation in cattleG.Methane2.Burning of fossilH.Chloroflro carbons3.Mercury compounds in waste waterJ.Nitrous oxide4.Nylon production 5.Air conditioner and refrigeration unitsCodes :FGHJA.2154B.3421C.3241D.1234

B
A
D
C

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Chemistry
Acid rain is caused by

NO2and particulates
SO2 and NO2
CO2and CFCs
SO2 and particulates

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