Physical and Chemical Properties

Front

What is a physical property?

Back

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

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that can only be observed when it undergoes a chemical change or reaction.

Front

Give an example of a physical property.

Back

Examples of physical properties include boiling point, melting point, density, color, and state of matter.

Front

Give an example of a chemical property.

Back

Examples of chemical properties include flammability, reactivity with acids, and oxidation states.

Front

What is the difference between physical and chemical properties?

Back

Physical properties can be observed without changing the substance, while chemical properties can only be observed during a chemical reaction.

Front

What does it mean if a substance is flammable?

Back

If a substance is flammable, it means it can easily ignite and burn in the presence of an ignition source.

Front

What is pH a measure of?

Back

pH is a measure of the acidity or basicity of a solution.

Front

How can you identify a chemical property?

Back

A chemical property can be identified by observing how a substance reacts with other substances.

Front

What happens to the chemical properties of a substance during a chemical reaction?

Back

The chemical properties of a substance may change during a chemical reaction as new substances are formed.

Front

Can physical properties change without altering the substance's identity?

Back

Yes, physical properties can change (e.g., state changes) without altering the substance's chemical identity.