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When some elements or compounds are put together and intermingle but do not react.
Hydrocarbons with similar boiling points separated from crude oil.
Separation of a liquid from a mixture by evaporation followed by condensation.
General formula of alkanes.
A compound containing only hydrogen and carbon.
A saturated hydrocarbon.
A hydrocarbon that do not contain double bonds.
Easily ignited and capable of burning rapidly.
A way of separating liquids from a mixture of liquids by boiling them off at different temperatures then condensing and collecting the liquids.
A reaction where oxygen is added to a substance (or electrons are lost).
A toxic gas whose formula is SO2, and which causes acid rain.
When a fuel burns with insufficient oxygen, producing carbon monoxide as a toxic byproduct.
A toxic gas with the formula CO
A gaseous pollutant produced by motor vehicles, a cause of acid rain.
Very small solid particles given off by motor vehicles as a result of incomplete combustion.
The increasing of the average temperature of the Earth.
The reflection of sunlight by solid particles in the air.
Fitted to the exhaust of motor vehicles to reduce the amount of pollutants released.
Fuels made from animal or plant products.
Fuel for cars made from plant oils.