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Formation of a gas (bubbling), change of color or if it burns

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13y ago
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6mo ago

A chemical change can be identified by observing the formation of a new substance with different chemical properties than the original substances. Other signs include changes in color, gas production, temperature change, or the formation of a precipitate. Conducting tests such as pH testing or spectroscopic analysis can also confirm if a chemical change has occurred.

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Q: What is the best way to tell if achemical change has taken place?
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