Physical and Chemical Properties

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its identity, such as color, odor, boiling point, and density.

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 acid, flammability, and rusting.

Front

Is boiling point a physical or chemical property?

Back

Physical Property.

Front

What is an example of a chemical change?

Back

Human digestion, as it involves breaking down food into new substances.

Front

What does it mean if a substance has a blue color?

Back

It is a physical property that describes the appearance of the substance.

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not alter the identity of a substance, while chemical changes result in the formation of new substances.

Front

What is an example of a physical change?

Back

Melting a chocolate bar, as it changes the state but not the identity of the substance.

Front

What is rusting?

Back

A chemical property that describes the reaction of iron with oxygen in the presence of moisture, resulting in iron oxide.

Front

What is the significance of odor in terms of properties?

Back

Odor is a physical property that can indicate the presence of certain substances.

Front

Can you observe a chemical property without changing the substance?

Back

No, chemical properties can only be observed during a chemical reaction.