Crude petroleum is converted to useful products by the pr...
Crude petroleum is converted to useful products by the process of?
fractional crystallization
fractional distillation
filtration
chromatography
Correct answer is B
A process called fractional distillation is used in oil refineries to separate (as well as join or split) the various lengths of hydrocarbon chains to create different petroleum products from the different distillates.
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The number of atoms in one mole of a substance is equal to the ...
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The oxidation number of Fe in [Fe(CN)\(_6\)]\(^{3-}\) is...
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