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प्रश्न
Fossil fuels are ______, ______ and ______.
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उत्तर
Fossil fuels are coal, petroleum, and natural gas.
Explanation:
These were formed from the dead remains of living organisms (fossils), so they are all known as fossil fuels. It requires millions of years to convert dead organisms into these fuels, but these known reserves will last only a few hundred years. Burning these fuels is a significant cause of air pollution, and their use is also linked to global warming. Therefore, it is necessary that we use these fuels only when necessary.
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संबंधित प्रश्न
Fossil fuels can be made in the laboratory.
Explain why fossil fuels are exhaustible natural resources.
Explain the different types of coal.
Coal is formed from the remains of
Naphthalene balls are obtained from coal tar and are used as
Name the products obtained and their uses when coal is processed in industry.
______ is used to make face packs and cosmetics.
Activated carbon, used in filters for water and air purification and in ______ machines is obtained from coal.
Coke is used in the preparation of dyes, explosives, paints synthetic fibers, and pesticides.
What are the uses of coal?
