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| Term | Definition |
|---|---|
| phys. change | a change of matter from one form to another w/ out a change in physical properties |
| chemical change | a change that occurs when one or more substances change to produce one or more substances change in to entirely new substances w/ different properties |
| chemical reaction | the process by which one or more substances change to produce one or more different substances |
| precipatate | a solid that is produced as a result of a chemical reaction in solution |
| combustion reaction | a chemical reaction that occurs when oxygen combines w/ another substance |