Write balanced chemical equation for the action of concentrated sulphuric acid on sodium nitrate. 

Explanation

To write the balanced chemical equation for the action of concentrated sulfuric acid on sodium nitrate, we can follow these steps:

### Step 1: Identify the Reactants
The reactants given in the question are:
- Sodium nitrate (NaNO₃)
- Concentrated sulfuric acid (H₂SO₄)

### Step 2: Write the Unbalanced Equation
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