NEET Chemistry Surface Chemistry Questions Solved

KClO3 on heating decomposes into KCl and O2. If some MnO2 is added the reaction goes much faster because:

(a) MnO2 decomposes to give oxygen

(b) MnO2 provides  heat by reacting

(c) better contact is provided by MnO2

(d) MnO2 acts as a catalyst

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#7 | Catalyst

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