Match the items in Columns I and II and mark the correct option.
| Column I | Column II |
| A. H2SO4 | 1. Highest electron affinity |
| B. CCl3NO2 | 2. Chalcogen |
| C. Cl2 | 3. Tear gas |
| D. Sulphur | 4. Storage batteries |
Codes:
| A | B | C | D | |
| 1. | 4 | 3 | 1 | 2 |
| 2. | 3 | 4 | 1 | 2 |
| 3. | 4 | 1 | 2 | 3 |
| 4. | 2 | 1 | 3 | 4 |
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