kylapg2007 kylapg2007

24-02-2021
Biology

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If you were making observations of someone mixing two substances together, how would you know if a chemical reaction took place?

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ah3393729 ah3393729

24-02-2021

if you were making an observation of two substances, The five conditions of chemical change would be color chage, formation of a precipitate, formation of a gas, odor change, temperature change. i hope this helps

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