(5) Define a catalyst. How does it help when you heat potassium chlorate?
Which catalyst is used in this reaction?
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Catalyst is a chemical substance which is used in a chemical reaction which is used to accelerate or decelerate the rate at which the reaction occur without being used up. ... Thus, in this reaction, manganese dioxide acts as a catalyst.
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The substance in whose presence, the rate of reaction changes without causing any physical change to it is know as catalyst.
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