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प्रश्न
Write a short note on the pollution caused by burning fossil fuels.
उत्तर
The burning of fossil fuels produces gases such as sulphur dioxide and nitrogen oxides that cause acid rain. Acid rain damages trees, land and buildings and affects aquatic life. The burning of fossil fuels produces carbon dioxide, which is responsible for the greenhouse effect on the earth. It also produces smoke and ashes, which pollute the air.
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संबंधित प्रश्न
What is meant by a renewable source of energy? Give two examples of renewable sources of energy.
Classify the following into renewable and non-renewable sources of energy:
Coal, Wind, Tides, Petroleum,Wood, Natural gas
What is the composition of liquefied petroleum gas (LPG)?
The ultimate source of energy stored in fossil fuels is:
(a) moon
(b) earth
(c) sun
(d) sea
What should be the minimum wind speed for the satisfactory working of a wind-powered electric generator?
Apart from cattle dung, what other substances can be added to a biogas plant?
The source of energy of the sun is:
(a) conversion of hydrogen gas into helium
(b) conversion of carbon fuel into carbon dioxide
(c) burning of hydrogen gas present in the sun
(d) disintegration of uranium into barium and krypton
Fill in the blank
_______is the coal with the highest percentage of coal.
State whether the following is True or False.
Coal takes millions of years to form.
Which among the following is the non-renewable resources?
