| MCQ | Answer | Area of Chemistry/ Comment |
| 1. | B | |
| 2. | A | |
| 3. | B | |
| 4. | B | |
| 5. | D | |
| 6. | A | |
| 7. | C | |
| 8. | A | |
| 9. | D | |
| 10. | B | |
| 11. | C | |
| 12. | C | |
| 13. | B | |
| 14. | D | |
| 15. | A | |
| 16. | A |
| 17. | |
| B |
|
| 18. | |
| a) | potassium chloride |
| b) | calcium sulfate |
| c) | lithium nitrate |
| d) | sodium sulphate |
| 19. | |
        |
|
| 20. | |
| D | |
| 20. | |
| a) | |
| 21. | |
| 22. | |
| 23. | |
| 12. | |
| 13. | |
