| MCQ | Answer | Area of Chemistry/ Comment |
| 1. | B | |
| 2. | C | |
| 3. | A | |
| 4. | D | |
| 5. | C | |
| 6. | B | |
| 7. | B | |
| 8. | D | |
| 9. | A | |
| 10. | D | |
| 11. | D | |
| 12. | A | |
| 13. | D | |
| 14. | B | |
| 15. | A | |
| 16. | A |
| 17. | |
 |
|
| 18. | |
 |
|
| 19. | |
 |
|
| b) | They each have a single outer electron. |
| [Problem Solving – Groups in Periodic Table] | |
| c) | Alkali metals |
| 20. | |
| a) | |
| (i) 2,8,1 – Sodium (Na) | |
| (ii) 2,8,8 – Argon (Ar) | |
| (iii) 2,4 – Carbon (C) | |
| (iv) 2,8,7 – Chlorine (Cl) | |
| 21. | |
| B (W and Y) | |
| 22. | |
 |
|
| 23. | |
 |
|
| 12. | |
| [Chemical Formulae] | |
| 13. | A, E |
| [Naming Compounds] |
