Chemical and Physical 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 or flammability.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its chemical identity, such as color, odor, or melting point.

Front

Give an example of a chemical property.

Back

Reactivity with acid, flammability, or the ability to rust.

Front

Give an example of a physical property.

Back

Color, boiling point, or density.

Front

What happens to a substance during a chemical change?

Back

The substance transforms into one or more different substances with new chemical properties.

Front

What is the difference between a chemical change and a physical change?

Back

A chemical change results in the formation of new substances, while a physical change does not alter the chemical composition of the substance.

Front

What is reactivity?

Back

Reactivity is a chemical property that describes how readily a substance combines chemically with other substances.

Front

What does it mean if a substance is flammable?

Back

It means the substance can easily ignite and burn in the presence of an ignition source.

Front

What is an example of a physical change?

Back

Melting ice or dissolving sugar in water.

Front

What is the significance of observing bubbles in a chemical reaction?

Back

Bubbles indicate the production of gas, which is a sign of a chemical change occurring.