Petroleum consists of a mixture of _____.
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Carbohydrates
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Carbonates
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Hydrocarbons
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Carbides
C
Correct answer
Explanation
Petroleum is primarily a mixture of hydrocarbons - compounds containing only hydrogen and carbon atoms. These include alkanes, cycloalkanes, and aromatic hydrocarbons. Carbohydrates contain oxygen, carbonates are salts, and carbides contain carbon-metal bonds - none are major components of crude petroleum.