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distinguish between changes in matter as physical or chemical
Question | Answer |
---|---|
physical change | a change of matter from one form to another without a change in chemical properties |
chemical change | a change that occurs when one or more substances change into entirely new substances with different properties |
chemical reation | the process by which one or more substances change to produce one or more different substances |
precipitate | a solid that is produce as a result of a chemical reaction in solution |
combustion reation | a chemical reaction that occurs when oxygen combines with another substances |