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Positive catalyst

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Positive catalyst : A catalyst which enhances thespeed of the reaction is called positive catalyst and the phenomenon is known as positive catalysis, Eg: Decomposition of `KCIO_3` in the presence of manganese dioxide `(MnO_2)` .
` 2KClO_3 underset(Delta)overset(MnO_2) (to) 2KCl + 3O_2 uparrow `
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