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  1. The substances which increase the rate of a chemical reaction are called a Positive Catalyst whereas The substances which decrease the rate of a chemical reaction are called Negative Catalyst.

  2. Positive Catalyst decreases the Activation energy of reactant molecules whereas negative catalyst increases the Activation energy of the reactant molecules.

  3. Positive Catalyst is also called the Promoter whereas negative catalyst is also called Inhibitor.

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Ronak Daga

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POSITIVE CATALYST: The substance that increase the speed of reaction is called positive catalyst or catalyst.

NEGATIVE CATALYST: The substance that reduces the speed of reaction is called negative catalyst or inhibitor.

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Wiki User

12y ago
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Q: What is the difference between positive catalyst and negative catalyst?
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