Physical and Chemical Properties

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as reactivity with other substances.

Front

Give an example of a chemical property of water.

Back

Reacts with pure sodium.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing the substance's chemical identity.

Front

Can you name a physical property of water?

Back

Boiling point (100 °C at standard pressure).

Front

Which of the following is NOT a chemical property: rusting, boiling, rotting, burning?

Back

Boiling.

Front

What does it mean if a substance has a high density?

Back

It means that the substance has a lot of mass in a given volume.

Front

What is reactivity with water?

Back

A chemical property that describes how a substance interacts with water, often resulting in a chemical change.

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not alter the chemical composition of a substance, while chemical changes do.

Front

What is an example of a physical change?

Back

Melting ice into water.

Front

What is pH and why is it not a physical property?

Back

pH measures the acidity or basicity of a solution, which involves chemical reactions.