FLASHCARD: Pure Substances and Mixtures

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, such as water and salt.

Front

Give an example of a pure substance.

Back

Water.

Front

Can elements be broken down into simpler substances?

Back

No, elements cannot be broken down into simpler substances.

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solvent.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute.

Front

Explain the difference between a solute and a solvent.

Back

A solute is a substance that is dissolved in a solvent, while a solvent is a substance that dissolves the solute.

Front

What happens when a solute dissolves in a solvent?

Back

The solute particles separate and disperse throughout the solvent.

Front

Give an example of a homogeneous mixture.

Back

Saltwater.

Front

What is a mixture?

Back

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

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components can be seen and easily separated.