Question

Number 1 please fast answer

Answer 1

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.

Answer 2

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