Match the formulas of oxides given in Column I with the type of oxide given in Column II and mark the correct option:
| Column I | Column II | ||
| A. | Pb3O4 | 1. | Neutral oxide |
| B. | N2O | 2. | Acidic oxide |
| C. | Mn2O7 | 3. | Basic oxide |
| D. | Bi2O3 | 4. | Mixed oxide |
Codes:
| Options: | A | B | C | D |
| 1. | 1 | 2 | 3 | 4 |
| 2. | 4 | 1 | 2 | 3 |
| 3. | 3 | 2 | 4 | 1 |
| 4. | 4 | 3 | 1 | 2 |
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