Chemical Reactions

Front

A process in which atoms rearrange to form new substances.

Back

chemical reaction

Front

A substance produced during a chemical reaction

Back

Product

Front

A solid formed from a solution during a chemical reaction is called a

Back

precipitate

Front

Magnesium and oxygen combine to form magnesium oxide, the magnesium and oxygen are:

Back

reactants

Front

How do you know a reaction has happened?

Back

The atoms were rearranged to form new molecules.

Front

Everytime two substances are mixed together a chemical reaction occurs.

Back

False

Front

A chemical reaction must have at least two reactants.

Back

False

Front

Do mixtures contain at least two different molecules that are not chemically combined?

Back

True

Front

Burning is a chemical reaction where a substance reacts with:

heat

,

air

,

oxygen

,

carbon dioxide

Back

oxygen

Front

If a mixture can be separated by boiling, what does it indicate about chemical reactions?

Back

A chemical reaction has not occurred.