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04/08/2021 12:34 pm
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Fossil fuels are energy-rich compounds of element X which were originally made by the plants with the help of sun’s energy.
(a) Name the element X.
(b) Name another element which is usually found in combination with X in fossil fuels.
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04/08/2021 12:34 pm
(a) X = Carbon
(b) Another element which is usually found in combination with carbon in fossil fuels is hydrogen.