1.

When `KClO_(3)` is heated, it decomposes into `KCl+O_(2)`, if some `MnO_(2)` is added, the reaction goes much faster because.A. `MnO_(2)` decomposes to gives `O_(2)`B. `MnO_(2)` provides heat by reactingC. Better contact is provided by `MnO_(2)`D. `MnO_(2)` acts as a catalyst

Answer» Correct Answer - D
`2KCIO_(3) overset(MnO_(2))(rarr) 2KCl+3O_(2)`.


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