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tangare [24]
3 years ago
12

The substance that are present before any chemical reaction are called

Biology
2 answers:
wariber [46]3 years ago
8 0
Reactants. Reactants are the substances that are needed for a chemical reaction to occur. Without reactants there are no products.
mars1129 [50]3 years ago
4 0

Answer: reactants

Explanation: cockmilk

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