Which of the following pair of compounds can be separated by using fractional distillation? (a) ...

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Which of the following pair of compounds can be separated by using fractional distillation?
(a) Acetone and methyl alcohol
(b) Benzene and toluene
(c) Ethyl alcohol (95.5\%) and water (4.5\%)
(d) Crude petroleum (gasoline and kerosene)
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