What reaction takes place when manganese dioxide is heated with aluminium powder ?

Explanation

To determine the reaction that takes place when manganese dioxide (MnO2) is heated with aluminum powder (Al), we can follow these steps:

### Step 1: Identify the Reactants
The reactants in this reaction are manganese dioxide (MnO2) and aluminum powder (Al).

### Step 2: Understand the Type of Reaction
This reaction is classified as a thermite reaction, which is a type of exothermic reaction that occurs between a metal and a metal oxide.

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