Name some clues that a chemical change has happened.

4 answers

There may be many indicators of a chemical change. Here are a few although not all can categorically indicate a chemical change: •Gas or bubbles are formed
•Heat, light, or sound is given off
•Change in color
•Different taste or smell (never taste or smell anything in a chemical lab, unless directed to do so.)
•New substance is formed (a precipitate)
•Temperature (exothermic or endothermic reactions)
•the color changes
•the texture (the way something feels) changes, and can't be changed back
•gas bubbles are formed
•a new substance is formed
•energy is taken in or given out in a reaction-burning and electricity are examples

I got these answer from wiki answers.
thank you Laruen!!
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Wow I just help a high school student I'm only in the 7th gr ;)
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