Select the correct answer. Which statement is true about a catalyst?

A.
A catalyst decreases the rate of the reaction.
B.
A catalyst is consumed during a chemical reaction.
C.
A catalyst lowers the activation energy of a reaction.
D.
A catalyst increases the reactant concentration during a reaction.

Answer (c) A catalyst accelerate rate of reaction by bringing down the activation energy.

Explanation:

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1 is the answer to this problem