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I need help, I'm confused..

What is true of a catalyst?
A. It provides the energy needed for the reaction.
B. It is a reactant in a chemical reaction.
C. It is not consumed by the reaction.

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Answer:

C

Explanation:

A catalyst is a substance added into a chemical reaction, that aids in the increase of the chemical reaction without the catalysts undergoing any chemical reaction. Thus the catalyst and the beginning of the reaction (reactant) is the unchanged at the end of the reaction (products).

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