Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?
Correct answer: C. sedimentary rocks
- A. earth layer
- B. mountains
- C. sedimentary rocks
- D. rocks
Explanation
Crude oil formed from buried organic matter that underwent decay and geological transformation in sedimentary rocks. The likely distractor is simply rocks, which is too general because petroleum is specifically associated with sedimentary rock formations.
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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.
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