Unit 2 test

Front

What is a factor that does NOT affect the rate at which a substance dissolves?

Back

Color of the solution does not affect the rate of dissolution.

Front

What are the three states of matter?

Back

Solid, Liquid, and Gas are the three states of matter.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.

Front

What is a solution?

Back

A solution is a homogeneous mixture where one substance is dissolved in another.

Front

What is the substance being dissolved in a solution called?

Back

The substance being dissolved is called the solute.

Front

What is the substance that dissolves the solute in a solution?

Back

The substance that dissolves the solute is called the solvent.

Front

What happens during a physical change?

Back

During a physical change, the form or appearance changes but not the chemical composition.

Front

What is the difference between a mixture and a solution?

Back

A mixture retains the properties of its components, while a solution is a uniform mixture.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.