Classification of Matter

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the composition is uniform throughout. Examples include saltwater and air.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the composition is not uniform throughout. Examples include salad and sand.

Front

Is coffee mixed with cream and sugar a homogeneous or heterogeneous mixture?

Back

Homogeneous mixture.

Front

Is Trimix (oxygen, nitrogen, and helium) a pure substance or a mixture?

Back

Mixture.

Front

How would you classify fruit salad?

Back

Heterogeneous mixture.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout. Examples include distilled water and gold.

Front

What is the difference between a mixture and a pure substance?

Back

A mixture contains two or more substances that are not chemically combined, while a pure substance has a uniform and definite composition.

Front

Can a homogeneous mixture be separated by physical means?

Back

No, homogeneous mixtures cannot be separated by physical means because their components are evenly distributed.

Front

Can a heterogeneous mixture be separated by physical means?

Back

Yes, heterogeneous mixtures can be separated by physical means because their components are not uniformly distributed.

Front

What is an example of a homogeneous mixture?

Back

An example of a homogeneous mixture is vinegar.