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CBSE Class 10 Answered

(a) Why are coal and petroleum called fossil fuels? (b) Name any two elements present in fossil fuels in addition to carbon.
Asked by Topperlearning User | 25 Jul, 2017, 03:46: PM
answered-by-expert Expert Answer

(a) Coal and petroleum are called fossil fuels because they are formed from the preserved remains of organisms that lived millions of years ago and are used as fuels.

(b) Elements present in fossil fuels in addition to carbon are :

Hydrogen, Nitrogen and Sulphur. (Any two).

Answered by | 25 Jul, 2017, 05:46: PM

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