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In the preparation of oxygen by heating KCIO3 , in the ...

In the preparation of oxygen by heating KCIO3 , in the presence of MnO2 only moderate heat is needed because the catalyst acts by 2

A.

lowering the pressure of the reaction

B.

increasing the surface area of the reaction

C.

increasing the rate of the reaction

D.

increasing the energy barrier of the reaction

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Correct answer is C

No explanation has been provided for this answer.

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