Pure Substances and Mixtures Game

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout. Examples include elements and compounds.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each retains its own properties. Mixtures can be homogeneous or heterogeneous.

Front

Define homogeneous mixture.

Back

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

Front

Define heterogeneous mixture.

Back

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

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. Examples include hydrogen and oxygen.

Front

What is a compound?

Back

A compound is a pure substance formed when two or more elements are chemically bonded together. Examples include water (H2O) and carbon dioxide (CO2).

Front

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

Back

A pure substance has a fixed composition and distinct properties, while a mixture contains two or more substances that retain their individual properties.

Front

Give an example of a homogeneous mixture.

Back

An example of a homogeneous mixture is vinegar, which has a uniform composition throughout.

Front

Give an example of a heterogeneous mixture.

Back

An example of a heterogeneous mixture is a bowl of cereal with milk, where the components can be seen and separated.

Front

What is the significance of separating mixtures?

Back

Separating mixtures is important for obtaining pure substances for various applications, such as in chemistry and food processing.