skylarmas420 skylarmas420

07-01-2015
Chemistry

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the substances present before a chemical reaction takes place are called?

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thisisbenmanley thisisbenmanley

07-01-2015

The substances present before the reaction are the reactants. (As the reaction goes through, the substances that are produced are called the products of the reaction).

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karinka karinka

07-01-2015

reactants. just did the penn foster exam

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