Separating Mixtures and Solutions

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically combined.

Front

What is a solution?

Back

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

Front

What is solubility?

Back

The ability of a substance to dissolve in a solvent at a given temperature and pressure.

Front

What is a filter used for?

Back

To separate solid particles from a liquid or gas by using a porous material.

Front

What is a sieve?

Back

A tool used to separate wanted elements from unwanted material or for controlling the particle size distribution of a sample.

Front

What happens when sugar dissolves in water?

Back

The sugar molecules break apart and spread evenly throughout the water, making it a solution.

Front

What is settling?

Back

The process where heavier particles in a mixture sink to the bottom over time.

Front

How can heating a solution affect solubility?

Back

Heating usually increases the solubility of solids in liquids, allowing more solute to dissolve.

Front

What is an example of a soluble substance?

Back

Sugar is an example of a soluble substance that dissolves in water.

Front

What is an example of an insoluble substance?

Back

Sand is an example of an insoluble substance that does not dissolve in water.