Coal is produced after a long time decay of_________________?
Correct answer: C. wood
- A. animals
- B. fossils
- C. wood
- D. all of the above
Explanation
Coal is a fossil fuel formed mainly from the long-term burial, pressure and heating of ancient plant material, especially wood and vegetation. Students may choose fossils, but fossils are preserved remains or traces, whereas the immediate organic source of coal is plant matter.
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About Alkanes
Alkanes are saturated hydrocarbons containing only carbon-carbon and carbon-hydrogen single bonds, with the general formula CnH2n+2 for open chains. Their structure, isomerism, IUPAC nomenclature, physical properties, combustion, free-radical halogenation and conformations are covered, including the difference between substitution in alkanes and addition in unsaturated hydrocarbons.
Practise Chemistry of Hydrocarbons
1,091 free Chemistry of Hydrocarbons MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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