What characterizes a chemical reaction?

1 Answer
anor277
Jul 27, 2017

"A colour change......."

Explanation:

"...or the formation of new substances......"

Chemical change is characterized by the formation of new substances and the making and breaking of strong chemical bonds.

I have written the [same thing here.](https://socratic.org/questions/what-is-an-indicator-that-a-chemical-reaction-has-taken-place?source=search)

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