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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
Compare and contrast fossil fuels and the Sun as direct sources of energy
Describe how fossil fuels were formed.
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
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(a) diesel
(b) kerosene
(c) petrol
(d) CNG
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.
Name the device
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(a) What name is given to the condition of the sea when water to rise periodically.
(b) What name is given to the condition of the sea when its raised water recedes?
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