Give THREE pieces of evidence that indicate that a chemical change occurred.
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Explanation:
Evidence of a chemical change
Change of odor. Change of color (for example, silver to reddish-brown when iron rusts). Change in temperature or energy, such as the production (exothermic) or loss (endothermic) of heat. ... Light and/or heat given off.
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Answer:
Evidence of a chemical change
Change of odor.
Change of color (for example, silver to reddish-brown when iron rusts).
Change in temperature or energy, such as the production (exothermic) or loss (endothermic) of heat.
Change of composition - paper turning to ash when burned.
Light and/or heat given off.
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