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S8P1.e
Distinguish between changes in matter as physical or chemical
| Question | Answer |
|---|---|
| Physical changes | a change of matter from one form to another without a change in chemical properties |
| Chemical changes | a change that occurs when one or more substance changes into entirely new substance with different properties |
| Chemical reaction | the process by which one or more substances change to produce one or more different substances |
| Precipitate | a solid that is produced as a result of a chemical reaction in solution |
| Combustion reaction | a chemical reaction that occurs when oxygen combines with another substance |