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15 March, 00:54

Which most likely indicates a chemical change has occurred?

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  1. 15 March, 00:58
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    Chemical change can be determined when a substance change it's state of composition and is irreversible. Five evidences that chemical change has occured are, color change, formation of a precipitate, formation of gas, odor change, temperature change. Examples of chemical change are, combustion reactions, rusting iron, precipitate of AgCl.
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