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ch. 2
section 4
| Term | Definition |
|---|---|
| chemical reaction | a change in which one or more reactants change into one or more products; characterized by the breaking of bonds in reactants and the formation of bonds in products. |
| reactant | a substance present at the start of a reaction |
| Product | substance produced in a chemical reaction |
| precipitate | a solid that forms and settles out of a liquid mixture |