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Chemistry Class 10 Chapter 14
Environmental Chemistry – The Atmosphere-6
1.
oxides of nitrogen cause?
All of these
Cough
Headache
Damage of lungs
2.
which one of the following is responsible for global warming?
Cfcs
All of these
CO
2
Methane
3.
the colour of ozone is?
Light blue
Dark red
Dark green
Light red
4.
which one of the following is not a natural source of air pollution?
Fossil fuels
Dust storms
Forest fires
Volcanoes
5.
which one of the following is released from the burning of fossil fuels?
Sulphur oxides
All of these
Carbon monoxide
Nitrogen oxides
6.
which gas is produced when electrical discharges pass through Oxygen in the air?
Nitrogen
Methane
Ozone
7.
which one of the following is a pollutant of air?
Chloroflorocarbons
All of these
Lead compounds
Oxides of sulphur
8.
which one of the following statement is correct?
NO
2
is reddish brown
Chloroflurocarbons are greenish gases
Lead compounds are non poisonous
Carbon monoxide is reddish brown
9.
which one of the following does not cause greenhouse effect?
Sulphur dioxide
Chloroflurocarbons
Oxides of nitrogen
Lead compounds
10.
chloroflorocarbons are?
Crystaline solids
Colourless gases
Amorphous solids
Coloured gases
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