9.1.Mixtures and Solutions

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What is a solution?

Back

A homogeneous mixture where one substance (solute) is dissolved in another (solvent).

Front

What is solubility?

Back

A measure of how much solute can dissolve in a solvent at a given temperature.

Front

How does temperature affect the solubility of solids?

Back

In general, as the temperature increases, the solubility of solids increases.

Front

What is the role of a solvent in a solution?

Back

The solvent is the substance that dissolves the solute, usually present in a greater amount.

Front

What is the role of a solute in a solution?

Back

The solute is the substance that is dissolved in the solvent.

Front

What happens to a solution when it evaporates?

Back

When a solution evaporates, it leaves the dissolved solid material behind.

Front

What is filtration?

Back

A process used to separate solids from liquids using a filter.

Front

What is chromatography?

Back

A technique used to separate mixtures based on the different rates at which components move through a medium.

Front

What is a bar magnet used for in separating mixtures?

Back

A bar magnet can be used to separate magnetic materials, such as iron filings, from non-magnetic materials, like sand.