A teacher makes this statement. “Gasoline boils at a relatively low temperature (about 150 times degree C ). The kerosene is removed at around 200 times degree C , followed by diesel oil at 300 times degree C and fuel oil at around 370 times degree C ” What topic is the teacher most likely talking about?

The teacher is describing how components of a mixture are separated according to their different boiling points. Heating the mixture vaporizes its components, and they are collected as they condense at different temperatures. This process is distillation, so the correct choice is “distillation of a mixture.”

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