Fossil fuels are energy resources formed due to the decomposition of old lifeforms buried deep inside the layers of sediments thousands of years ago. They are mostly hydrocarbons - petroleum, natural gas, coal or their derivatives.
Wood is an organic fuel derived from woody plants or trees.
Hydrogen is a lightweight fuel and a cleaner alternative to fossil fuels.
Nuclear energy is a form of energy derived from radioactive elements.
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Q1
Which one of the following is a fossil fuel?
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Q2
Which one of the following is not a fossil fuel ?
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Q3
Among the following fossil fuels, which one is the renewable source of energy?
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Q4
Which of the following energy is obtained from burning of fossil fuels?
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Q5
Which of the following sources of energy can be a substitute for fossil fuels?