WorksheetsAir and Air Pollution
Total questions: 20
Worksheet time: 18mins
The percentage of oxygen in the air is (a) .
What is the starting volume of dry air?
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Which statements are correct?
Carbon monoxide is responsible for production of 'acid rain'.
Oxides of nitrogen are present in car exhausts.
Sulfur dioxide can be produced by the combustion of fossil fuels.
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D
Which row is NOT correct?
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What are the functions of the catalytic converter?
oxidise oxides of nitrogen to nitrogen
oxidise carbon monoxide to carbon dioxide
convert unburnt hydrocarbon to carbon dioxide and water
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Which statements are true about the depletion of ozone layer?
Chlorine acts as a catalyst in the breakdown of ozone.
Ozone molecules are broken down into oxygen molecules.
The reaction: 2O3 --> 3O2 is a reversible reaction.
Chlorine atom is formed when C-Cl bond in CFC molecule is broken.
(a) and respiration releases carbon dioxide into the atmosphere.
Which statements are true for flue-gas desulfurisation?
Sulfur dioxide is passed through calcium oxide.
Carbon dioxide is released.
Sulfur dioxide must be removed to prevent acid rain.
Sulfur is oxidised to form sulfur dioxide.
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Which is the most abundant noble gas?
Krypton
Neon
Helium
Argon
