Answered

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A teacher makes the following statement.

“Gasoline boils at a relatively low temperature (about 150°C). The kerosene is removed at around 200°C, followed by diesel oil at 300°C and fuel oil at around 370°C.”

What topic is the teacher most likely talking about?
distillation of a mixture
filtration of a pure substance
evaporation of a mixture
sorting of a pure substance

Sagot :

keijosalonen

Answer: Distillation of mixture

Explanation: Different fractions of crude oil have different

boiling points according molecular weight of hydrocarbons
NOT evaporation of a mixture
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