Petroleum is a mixture of hydrocarbons. It is separated into useful fractions by fractional distillation. Which property does fractional distillation rely on to separate petroleum?

Explanation:

Fractional distillation is used to separate crude oil into simpler, more useful mixtures . This method can be used because different hydrocarbons have different boiling points

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answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

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