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प्रश्न
\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
State why the compound MnO2 is written above the arrow.
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उत्तर
MnO2 is a catalyst in the reaction which does not under go any change and simply increases the rate of reaction is written above the arrow.
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