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guajiro [1.7K]
3 years ago
6

How do you know if a chemical change has taken place?

Chemistry
1 answer:
9966 [12]3 years ago
6 0
There are a few ways to tell if a reaction has taken place, these include temperature change, color change, formation of a precipitate, bubbling, and even odors. These all indicate that a chemical change has taken place.
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Plants and animals can build up or break down rock by increasing weathering, erosion, and
alexgriva [62]

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3 years ago
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