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viktelen [127]
2 years ago
10

Number 1 please fast answer

Chemistry
2 answers:
dimulka [17.4K]2 years ago
7 0

Answer: Color change, Production of odor, and

Temputure change, formation of bubbles, and form of solids

Explanation:

It basic chemistry , as in if the solution has changed it would express itself in these ways otherwise it would not make the list.

Natasha2012 [34]2 years ago
3 0

Answer:

I will give you 5

Explanation:

color chage, formation of a precipitate, formation of a gas, odor change, temperature change. are all signs of a chemical reaction

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