Match the following.
| Set-I | Set-II |
| A) Teargas | 1) [C2 H4Cl]2 * |
| B) Mustard gas | 2) COCl2 |
| C) Phosgene | 3) CCl3 NO2 |
| D) Teflon | 4) (C2 F4)n |
Correct the matching is
| | A | B | C | D |
| 1 | 3 | 1 | 2 | 4 |
| 2 | 1 | 2 | 4 | 3 |
| 3 | 2 | 3 | 4 | 1 |
| 4 | 4 | 2 | 1 | 3 |
