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Which of these accurately describes the reactants of a reaction?

Anew substances formed in the reaction
BSubstances that do not participate in a reaction
CSubstances that are used up in a reaction
DNew substances that are present at the end of a action

Verified Answer :

Option C. Substances that are used up in a reaction.

Reactants are the starting elements or compounds that will chemically react and will form the products.

The answer is  C. Substances that are used up in a reaction

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