Chemical change final

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into new substances with different properties.

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What is a physical change?

Back

A physical change is a process that alters the form or appearance of a substance but does not change its chemical composition.

Front

What is an example of a chemical change?

Back

Rusting of iron is an example of a chemical change.

Front

What is an example of a physical change?

Back

Dissolving salt in water is an example of a physical change.

Front

What happens to the atoms during a physical change?

Back

The atoms remain the same and are not rearranged into new substances.

Front

What happens to the atoms during a chemical change?

Back

The atoms are rearranged to form new substances.

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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.

Front

What is a reactant in a chemical reaction?

Back

A reactant is a substance that undergoes a change during a chemical reaction.

Front

Identify the reactants in the reaction: @@ ext{CaCO}_3 ightarrow ext{CaO} + ext{CO}_2@@

Back

Front

What is an indicator of a chemical change?

Back

Indicators of a chemical change include color change, gas production, and temperature change.