2023baileylexie 2023baileylexie

30-09-2021
Chemistry

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How can you be certain that a chemical change has occurred?

How can you be certain that a chemical change has occurred class=

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Velveryy Velveryy

30-09-2021

Answer:

A.) There is at least one substance that was not present before the change.

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MochaLocaCafe MochaLocaCafe

30-09-2021

Yeah answer is A there needs to be a new substance

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