Mixtures and Solutions

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically combined. Examples include salad, air, and sand.

Front

What is a solution?

Back

A solution is a special type of mixture where one substance (solute) is dissolved in another (solvent). An example is saltwater.

Front

Is cereal with milk a solution?

Back

No, cereal with milk is a mixture, not a solution.

Front

What is an element?

Back

An element is a pure substance made of only one type of atom. Examples include hydrogen, oxygen, and gold.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together. An example is water (H2O).

Front

What tool is used to measure the volume of a liquid?

Back

A graduated cylinder is used to measure the volume of a liquid.

Front

How can you increase the concentration of a solution?

Back

You can increase the concentration of a solution by adding more solute.

Front

What is solute?

Back

A solute is the substance that is dissolved in a solution. For example, in saltwater, salt is the solute.

Front

What is solvent?

Back

A solvent is the substance that dissolves the solute in a solution. For example, in saltwater, water is the solvent.

Front

What method is used to separate a mixture of salt and water?

Back

Evaporation is used to separate a mixture of salt and water.