Question

Define Catalyst... with examples..... ​

Answer 1

Hey buddy catalyst is a chemical substance that changes the rate of chemical reaction without causing any change in itself.

like Maganese dioxide powder acts as a catalyst.

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Answer 2

HERE IS YOUR ANSWER....

A catalyst is a substance that causes a chemical reaction to happen in a different way than it would happen without that catalyst - for example , a catalyst could cause a reaction to happen at a faster rate, or at a lower temperature, than would be possible without the catalyst .

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