6.15 Separating mixtures – fractional distillation

A process that separates mixtures of miscible liquids with a difference in boiling points of less than 25 ° C.

............................................. is a substance that exists in a gaseous state at room temperature.

............................................. is a substance that is produced when a liquid or solid turn into gas due to heat (it exists in a solid or liquid state at room temperature).

Hydrocarbons are compounds made up of atoms of ...............................................................

A mixture of hundreds of hydrocarbons.

A mixture of hydrocarbons made up of atoms between 14 and 19 carbon atoms, used as a fuel in lorries, buses, and some cars.

A mixture of hydrocarbons made up of atoms between 5 and 10 carbon atoms, sometimes called gasoline or gas.

Crude oil is heated to more than .................., all the compounds become gases.

In industrial fractionating columns, compounds that have high boiling points condense near the ...............................

The compounds that make up diesel have low boiling