Chemical and Physical Changes Flashcard

Front

What is the main difference between physical and chemical changes?

Back

Physical changes only affect the physical properties of a substance, while chemical changes result in the formation of new substances.

Front

What happens to the mass during a chemical change?

Back

The mass remains the same.

Front

Which of the following is an example of a chemical change?

Back

Burning of wood.

Front

Which of the following is an example of a physical change?

Back

Melting ice.

Front

What is the color change observed during a chemical change called?

Back

Chemical reaction.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Can physical changes be reversed?

Back

Yes, physical changes are often reversible.

Front

Can chemical changes be reversed?

Back

Chemical changes are usually irreversible.

Front

What is an example of a reversible physical change?

Back

Freezing and melting of water.