Separating Mixtures

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a combination of substances that has a uniform composition and appearance throughout.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a combination of substances that does not have a uniform composition and appearance; the different components can be seen.

Front

What is a colloid?

Back

A colloid is a mixture where tiny particles of one substance are evenly distributed throughout another substance, but do not settle out.

Front

What is a suspension?

Back

A suspension is a heterogeneous mixture in which solid particles are suspended in a liquid or gas and can settle out over time.

Front

What is filtration?

Back

Filtration is a separation technique used to separate solids from liquids or gases using a filter.

Front

What is evaporation?

Back

Evaporation is a separation technique that involves turning a liquid into vapor to separate it from dissolved solids.

Front

What is distillation?

Back

Distillation is a separation technique that involves heating a liquid to create vapor and then cooling the vapor to create a liquid, separating components based on boiling points.

Front

What is chromatography?

Back

Chromatography is a separation technique that involves separating components of a mixture based on their movement through a stationary phase.

Front

How can you separate sand from iron filings?

Back

You can use a bar magnet to attract the iron filings away from the sand.

Front

What method would you use to separate a mixture of soil and water?

Back

Filtration is used to separate soil from water.