Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
A. Modern theory
B. Carbide theory
C. Engler theory
D. All of the above
Answer: Option B
Related Questions on Petroleum Refinery Engineering
Aniline point test of an oil qualitatively indicates the __________ content of an oil.
A. Paraffin
B. Olefin
C. Aromatic
D. Naphthene
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