STATES, PROPERTIES, CHANGES AND CLASSIFICATION OF MATTER REVIEW

Front

What is a chemical property?

Back

A chemical property indicates how a substance reacts with something else.

Front

Which example shows that a chemical reaction has occurred?

Back

Rust forms on a hammer that has been left outside too long.

Front

What is the boiling point of water?

Back

The boiling point of water is 100°C, which is a physical property.

Front

What type of mixture allows components to be distinguished at simple sight?

Back

A heterogeneous mixture.

Front

What is a sure sign that a chemical reaction has occurred?

Back

An odor can indicate a chemical reaction.

Front

Define a physical property.

Back

A physical property can be observed without changing the substance's identity.

Front

What is a chemical change?

Back

A chemical change results in the formation of new substances.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What distinguishes homogeneous mixtures from heterogeneous mixtures?

Back

Homogeneous mixtures have a uniform composition, while heterogeneous mixtures do not.

Front

What is an indicator of a chemical reaction?

Back

Color change can indicate that a chemical reaction has occurred.