Question

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

Answer 1

The correct answer among the choices given is the first option. The teacher most likely is talking about distillation of a mixture. Distillation is a unit operation that separates component substances from a liquid mixture which is shown by the teacher. Also, the most common purifying technique in the production of gasoline is by this process.

Answer 2

Distillation of mixture.

Step-by-step explanation:

Distillation is the process in which we separate the components of a mixture based on the boiling points.

The mixture is boiled and the components separates, lower boiling point substance separates first and then so on.

In petroleum refining fractional distillation is used.

In the given question teacher is talking about the distillation of gasoline or petroleum product.