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प्रश्न
Fossil fuels are obtained from
पर्याय
remains of non-living materials
dead remains of birds only
dead remains of insects only
dead remains of living organisms
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उत्तर
dead remains of living organisms
Explanation:
Fossil fuels are obtained from the remains of living organisms (plants and animals) buried under the earth millions of years ago.
Notes
Coal, petroleum and natural gas are fossil fuels.
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संबंधित प्रश्न
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Carbon atom has ................... electrons in its valence shell.
Name the simplest organic compound.
What are hydrocarbons ? Name the two different forms of hydrocarbons.
Give the structural difference between saturated and unsaturated hydrocarbons with two examples each.
Compounds with same molecular formula and different structural formula are known as ______.
Explain the carbon cycle or biogeochemical cycle.
Carbon monoxide displaces ______ from hemoglobin.
Cigarette smoking is a source of ______.
Answer the following by rearranging the jumbled letters :
Organic compounds having a double bond between carbon atoms are
knelaes
Answer the following by rearranging the jumbled letters :
Carbon combines with other elements through the _______ bond.
lnaocvet.
