Which of the following statements is most acc | vedclass

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(D) catalyst is a substance that alters the rate of a chemical reaction without itself undergoing any permanent chemical change. It can either increas

Vedclass · Accepted Answer

$A$ catalyst alters the rate of a chemical reaction.

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(D) catalyst is a substance that alters the rate of a chemical reaction without itself undergoing any permanent chemical change. It can either increase (positive catalyst) or decrease (negative catalyst) the rate of the reaction. Therefore,the most accurate statement is that it alters the rate of the reaction.

Which of the following statements is most accurate regarding a catalyst?

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