Starting with elemental Sulphur how will you prepare `H_2SO_4`

Explanation

To prepare sulfuric acid (H₂SO₄) starting from elemental sulfur (S), we can follow the steps outlined in the contact process. Here’s a step-by-step breakdown of the preparation:

### Step 1: Combustion of Sulfur
- **Reaction**: Elemental sulfur is burned in the presence of oxygen.
- **Equation**:
\[ S + O_2 \rightarrow SO_2 \]
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