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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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24gomezemil 24gomezemil

30-09-2021

Answer:

Signs of chemical reactions may be:

Gas release

Formation of a precipitate

Change of color

Change of odor

Change of pH

Change of aspect

Change of viscosity

Change of the temperature

Visible formation of new compounds

Explanation:

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