A catalyst is a substance which | vedclass

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(D) The correct answer is $(D)$. $A$ catalyst is a substance that increases the rate of a chemical reaction without itself undergoing any permanent ch

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Does not participate in the reaction but speeds it up

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(D) The correct answer is $(D)$. $A$ catalyst is a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change. It provides an alternative reaction pathway with a lower activation energy,but it does not participate in the overall stoichiometry of the reaction and is recovered unchanged at the end.

$A$ catalyst is a substance which

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