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23-10-2019
Chemistry

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if we have any substance it can be concluded that a chemical change has happened if

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emorys132 emorys132

24-10-2019

Answer:

You cannot reverse the effects.

Explanation:

In physical changes you can usually reverse the effects for example if ice melts you can just refreeze it. But it's impossible to reverse a chemical change such as a rusted bike.

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