Chemical vs Physical Changes

Front

What is a physical change?

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A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and dissolving.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It involves a chemical reaction and includes processes like burning, rusting, and food spoilage.

Front

Is making orange juice a physical or chemical change?

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Physical change.

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What happens during a physical change?

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During a physical change, the form of a substance may change, but its chemical identity remains the same.

Front

What happens during a chemical change?

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During a chemical change, the substances involved undergo a transformation that changes their chemical structure, resulting in new substances.

Front

Is mixing liquids a physical or chemical change?

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Physical change.

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Is freezing a physical or chemical change?

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Physical change.

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What is an example of a chemical change?

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An example of a chemical change is food going bad, which involves decomposition.

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What is an example of a physical change?

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An example of a physical change is ice melting into water.

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What indicates a chemical change has occurred?

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