Discussion
Kerosene is a blend of
Answer: D
Kerosene is a blend of hydrocarbons from the middle-distillate cut of petroleum. It contains paraffins (alkanes), naphthenes (cycloalkanes) and aromatics, so all three are present.
Choosing only one of the classes would leave out the others that make up the blend, so the answer is "all of the above". This mixed composition is also why chromatographic patterns of kerosene are used to identify it in fire debris, since the pattern of the paraffin and aromatic peaks is characteristic.
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