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NARA [144]
2 years ago
11

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

Biology
1 answer:
bezimeni [28]2 years ago
5 0

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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