Separating Mixtures

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically combined.

Front

What method is used to separate a mixture of salt and water?

Back

Evaporation is used to separate a mixture of salt and water.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is one that does not have a uniform composition and appearance.

Front

What tool can be used to separate nails from sand?

Back

A magnet can be used to separate nails from sand.

Front

How can you separate a mixture of salt, sand, and pepper?

Back

Dissolve the mixture in water, filter off the sand, and then evaporate the water to leave the salt.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined.

Front

What is filtration?

Back

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

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.

Front

What is chromatography?

Back

Chromatography is a method used to separate mixtures based on the different rates at which components move through a medium.

Front

What is evaporation?

Back

Evaporation is the process of turning liquid into vapor, often used to separate a solute from a solvent.