Indications of Chemical Change.
When a chemical change occurs, there are some changes going on that help us identify it. the most
important ones are listed below:
1. permanent colour change
2. formation of precipitate
3. a solid is separated from a gas.
4. sound is produced
5. light is produced
6. odor is produced
7. change in energy
these changes may or may not occur all at the same time.
mr.G you better give me a good grade for this or else i will come to your house and suffocate you with a hose! -by Nicholas