| Redox/ ion – Electron MCQ | I | II | III |
 |
|||
| 1. |
6. |
 |
 |
| 2004/MCQ37 | 1995/MCQ30 |
| 2. |
7. |
 |
 |
| 2016/MCQ17 | 2012(Revised)/MCQ8 |
| 3. | 8. |
 |
 |
| 2009(INT2)/MCQ27 | 2014(Revised)/MCQ8 |
| 4. |
9. |
 |
 |
| 1999/MCQ13 | 2009/MCQ37 |
| 5. |
10. |
 |
 |
| 2007/MCQ38 | 2006/MCQ37 |
| 11. | |
 |
|
| 2007/ 15 | |
| 12. | |
 |
|
| 2008/17 | |
| 13. | |
 |
|
| 2006/10 | |
| 14. | |
 |
|
| 2004/12 | |
| 15. | |
 |
|
| 2002/15 | |
| 16. | |
 |
|
| 2002/11 | |
| 17. | |
 |
|
| 2001/14 | |
| 18. | |
 |
|
| 2001/8 | |
| 19. | |
 |
|
| 2003/8 | |
| 20. | |
 |
|
| 2000/15 | |
