What is the conditions necessary for Rusting ?

Explanation

**Step-by-Step Solution:**

1. **Understanding Rusting:**
- Rusting is a chemical process that occurs when iron reacts with oxygen in the presence of water or moisture. The product of this reaction is iron oxide, commonly known as rust.

2. **Necessary Conditions for Rusting:**
- There are two primary conditions necessary for rusting to occur:

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