Question

Define catalyst . Give it's specific character
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Answer 1

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A catalyst is defined as a substance which when added to the reacting system increases the rate of the reaction without itself being consumed in the reaction. Here MnO2 acts as a catalyst. Catalysis: Finely divided metals are used as a catalyst in many gaseous reactions.

Answer 2

Answer:

catalysts are defined as those substances which alter the rate of reaction by changing the path of reaction. ... Some of the important characteristic features of catalysts are, A catalyst does not initiate a chemical reaction. A catalyst does not be consumed in the reaction.