| Exam date | Questions | Time | Maximum marks |
|---|---|---|---|
| 26 November 2023 | 60 | 120 minutes | 216 |
Final answers · Code 31
Match this code to your question paper. For Questions 49–60, choose the complete listed set; a single listed option is possible even in the multiple-correct section.
| Question | Answer | Question | Answer | Question | Answer |
|---|---|---|---|---|---|
| 1 | A | 21 | A | 41 | C |
| 2 | B | 22 | C | 42 | D |
| 3 | D | 23 | B | 43 | C |
| 4 | B | 24 | A | 44 | C |
| 5 | B | 25 | A | 45 | B |
| 6 | C | 26 | C | 46 | B |
| 7 | C | 27 | C | 47 | D |
| 8 | C | 28 | B | 48 | A |
| 9 | C | 29 | D | 49 | A, B, C, D |
| 10 | B | 30 | A | 50 | A, B, C |
| 11 | B | 31 | C | 51 | B, D |
| 12 | A | 32 | C | 52 | B, C, D |
| 13 | D | 33 | B | 53 | A, C |
| 14 | B | 34 | B | 54 | A, C, D |
| 15 | C | 35 | A | 55 | A, B, D |
| 16 | B | 36 | A | 56 | C, D |
| 17 | C | 37 | C | 57 | A, B, D |
| 18 | D | 38 | D | 58 | A, C |
| 19 | D | 39 | C | 59 | A, C |
| 20 | D | 40 | B | 60 | C, D |
What is included here?
This page provides the official paper and final answer key. A complete worked-solution set for this year is not included. For step-by-step learning now, use the explained original questions and the 2025 worked examples.
Make the review count
For each missed problem, write the governing chemical idea before repeating the calculation. Check units, charges, reaction stoichiometry and which assumptions the question permits. In multiple-correct questions, justify every option independently.
Keep a short error log: question number, cause of error, corrected reasoning and a date to try it again. A solved paper becomes useful when you can reproduce the reasoning later.
Sources & verification
Exam information checked 20 October 2026. Subsequent official notices take precedence.