McqMate
| Q. |
Catalyst is a substance which – |
| A. | increases the rate of the reaction |
| B. | decreases the rate of reaction |
| C. | has no action on the rate of the reaction |
| D. | None of these |
| Answer» D. None of these | |
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Explanation: Catalysis is the change in rate of a chemical reaction due to the participation of a substance called a catalyst. Unlike other reagents that participate in the chemical reaction, a catalyst is not consumed by the reaction itself. A catalyst may participate in multiple chemical transformations. Catalysts that speed the reaction are called positive catalysts. |
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