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प्रश्न
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
How does this device help in controlling air pollution?
उत्तर
A catalytic converter converts the harmful gases from the exhaust of vehicles into harmless gases. For example, it converts carbon monoxide into carbon dioxide, and nitrogen oxide into nitrogen gas.
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संबंधित प्रश्न
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What is the basis of above classification?
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Domestic gas cylinders like Indane contain mainly ..............
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(a) methane
(b) ethane
(c) propane
(d) butane
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(a) kerosene oil
(b) cow-dung cakes
(c) CNG
(d) coal
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(a) butane
(b) ethane
(c) butanone
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(a) butane
(b) methane
(c) propane
(d) ethane
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