Classify the following as chemical or physical changes.
rusting of almirah

Explanation

To classify the rusting of an almirah as a chemical or physical change, follow these steps:

### Step 1: Understand the Process of Rusting
- Rusting occurs when iron reacts with oxygen and moisture in the environment. This reaction leads to the formation of a new substance.

### Step 2: Identify the New Substance Formed
- During rusting, iron combines with oxygen to form hydrated iron oxide, commonly known as rust. This is a new chemical compound that has different properties from the original iron.

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