Unit 1 matter test practice

Front

What indicates that a chemical reaction has occurred?

Back

The formation of gas bubbles, a change in color, an odor, or all of these.

Front

What produces new matter with new and different properties?

Back

A chemical change.

Front

What is the equation to explain the total mass of combined substances if you pour 350 mL of one substance and 430 mL of another?

Back

350 mL + 430 mL = 780 mL.

Front

What is an example of a physical change?

Back

Ice cream melting.

Front

Is the ability to burn a physical property?

Back

False.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is an example of a chemical change?

Back

Rust forming on a bicycle.

Front

What happens to the mass of substances during a chemical reaction?

Back

The total mass remains the same before and after the reaction.