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erica [24]
2 years ago
12

Can you help me please?

Chemistry
1 answer:
almond37 [142]2 years ago
7 0

Explanation:

Physical changes only change the appearance of a substance, not its chemical composition.

Chemical changes cause a substance to change into an entirely substance with a new chemical formula.

Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products

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