Write balanced and informative chemical equations for the following reactions.
Iron reacts with sulphur on heating to form iron sulphide.

Explanation

To write a balanced and informative chemical equation for the reaction between iron and sulfur to form iron sulfide, follow these steps:

### Step 1: Identify the Reactants and Products
- The reactants in this reaction are iron (Fe) and sulfur (S).
- The product formed is iron sulfide (FeS).

### Step 2: Write the Unbalanced Equation
- The unbalanced chemical equation can be written as:
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