18.1 Defintions Word Scramble
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Question | Answer |
chemical reaction | produces new substances by changing the way in which atoms are arranged |
reactants | substances that present at the beginning of a chemical reaction |
products | substances formed by a chemical reaction |
precipitate | a solid product that may form when chemicals in two liquids react |
catalyst | a substance that increases the rate of a chemical reaction but is not itself in the reaction |
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