Mixtures and Separating Mixtures Review

Front

What is a mixture?

Back

A mixture is two or more substances mingled together, but not chemically combined.

Front

What is a solution?

Back

A solution is a homogeneous mixture where one substance is dissolved in another, like salt in water.

Front

What happens when you heat a solution of salt and water?

Back

The water will evaporate, leaving the salt behind.

Front

Is sand and clay an example of a mixture of solids?

Back

True, sand and clay are examples of a mixture of solids.

Front

What technique is best for separating soil and water?

Back

Filtration is the best technique to separate soil and water.

Front

What is decanting?

Back

Decanting is a method of separating liquids by pouring off the top layer, leaving the sediment behind.

Front

What is distillation?

Back

Distillation is a process used to separate mixtures based on differences in boiling points.

Front

What is chromatography?

Back

Chromatography is a technique used to separate mixtures into their individual components.

Front

What is residue?

Back

Residue is the solid material that remains after a mixture has been filtered.

Front

What is the difference between homogeneous and heterogeneous mixtures?

Back

Homogeneous mixtures have a uniform composition throughout, while heterogeneous mixtures have visibly different substances.