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Andru [333]
3 years ago
7

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

Chemistry
2 answers:
andrew11 [14]3 years ago
5 0
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).
jeka57 [31]3 years ago
5 0
Reactants. just did the penn foster exam
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