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9 April, 19:20

What is a catalyst?

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  1. 9 April, 19:25
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    A catalyst in science is a process which speeds up a reaction and some cars are emitted with catalyst converter which reduce to harmful bacteria amd chemicals to be let in within our atmosphere
  2. 9 April, 19:43
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    a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

    - a person or thing that precipitates an event.
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