Chemical Reactions

Front

What is a chemical change?

Back

A process where a substance transforms into a different substance, resulting in the formation of new chemical properties.

Front

What happens when a match is struck?

Back

It undergoes a chemical change, producing heat, light, and new substances.

Front

What does the arrow in a chemical equation represent?

Back

It indicates the direction of the reaction, showing the reactants transforming into products.

Front

What is the law of conservation of mass?

Back

Matter is neither created nor destroyed in a chemical reaction; it only changes form.

Front

What is formed in a chemical reaction?

Back

A new substance is formed.

Front

What is a reactant?

Back

A substance that undergoes change in a chemical reaction.

Front

What is a product?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is an example of a physical change?

Back

Melting ice into water.

Front

What is an example of a chemical change?

Back

Burning wood, which produces ash and smoke.

Front

What is a chemical equation?

Back

A symbolic representation of a chemical reaction, showing the reactants and products.