What are the signs of a chemical reaction?

Question

asked Oct 13, 2022 208k views

2 Answers

Emmychan · Answer 1 · 2022-10-16T10:19:41+0000

Color Change.
Production of an odor.
Change of Temperature.
Evolution of a gas (formation of bubbles)
Precipitate (formation of a solid)

Skozz · Answer 2 · 2022-10-19T05:53:12+0000

There are five signs of a chemical change:

Color Change.

Production of an odor.

Change of Temperature.

Evolution of a gas (formation of bubbles)

Precipitate (formation of a solid)

hope it help! and have a good day :)