Chemical and Physical Changes

Front

What is the boiling point?

Back

The boiling point is the temperature at which a substance changes from a liquid to a gas. It is a physical property.

Front

What is a change in the state of matter of a substance called?

Back

A change in the state of matter of a substance is called a Physical Change.

Front

What happens when iron rusts?

Back

When iron rusts, it undergoes a Chemical Change, resulting in the formation of iron oxide.

Front

What does the term 'red color' refer to?

Back

Red color is a Physical Property of a substance, describing its appearance.

Front

Which of the following is a Physical Property: Toxicity, Flammability, Malleability, Reactivity?

Back

Malleability is a Physical Property, referring to the ability of a substance to be shaped or molded.

Front

What is a physical change?

Back

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

Front

Give an example of a physical change.

Back

Melting ice is an example of a physical change, as it changes from solid to liquid without changing its chemical structure.

Front

Give an example of a chemical change.

Back

Burning wood is an example of a chemical change, as it transforms into ash and gases.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing its identity.