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Paper 5 practical roadmap for Combined Science candidates who need QA, titration, and practical-writing support without enrolling in the pure 6092 track.
Last updated: 2026-02-22
This page is for O-Level Combined Science candidates who want targeted practical preparation in Science (Chemistry), with single-science lab blocks instead of mixed-theory classes.
The practical component appears in Science (Chemistry, Biology) 5087 and Science (Physics, Chemistry) 5088. Lessons are run as focused science (chemistry) sessions so students can choose specific modules when budgeting or catching up.
If you are deciding between components first, start with the O-Level Combined Science practical hub to compare Physics, Chemistry, and Biology practical tracks.
Stay on this page for Combined Science Paper 5 in Science (Chemistry). Switch routes if you are taking another component or a pure-science practical instead.
| Paper | Duration | Marks / weighting | Focus |
|---|---|---|---|
| Paper 5 Practical | 1 h 30 min | 30 marks (15% of grade) | Paper 5 practical routines in volumetric work, qualitative analysis, rates, and planning aligned to Combined Science contexts. |
| Area | Combined Science | Pure Science |
|---|---|---|
| Assessment load | Paper 5 practical: 1 h 30 min, 30 marks, 15% of final grade. | Paper 3 practical: 1 h 50 min, 40 marks, 20% of final grade. |
| Technique coverage | Prioritises core combined practical workflows (QA, titration, rates, temperature-measurement tasks). | Adds wider practical demands in 6092, including broader planning scenarios and a larger practical technique envelope. |
| Session design at Eclat | Runs in standalone Science (Chemistry) blocks so candidates can purchase only chemistry practical prep. | Built for pure-Chemistry practical sequencing and exam requirements in 6092. |
Source: SEAB 2026 Combined Science and pure subject syllabuses.
| Month | Topics | Lab no. |
|---|---|---|
| Jan | TITRATION BASICS | PC1 |
| Feb | QA BASICS: TESTING OF GASES AND ANIONS | PC2 |
| Mar | QA BASICS: TESTING OF CATIONS AND UNKNOWN SALTS | PC2A |
| Apr | SPEED OF REACTION + TEMPERATURE MEASUREMENT | PC3 |
| May | TEMPERATURE MEASUREMENT + QA 4 | PC4 |
| Jun | QA 5 + IODIMETRIC TITRATION 5 | PC5 |
| Jul | QA 6 + REDOX TITRATION 6 | SC6 |
| Aug | SPEED OF REACTION 7 + QA 7 | SC7 |
| Sep | QA 8.1 + QA 8.2 | SC8 |
| Oct | QA 9.1 + QA 9.2 | SC9 |
Other labs, such as PC10-PC16, are also available for those who want further training or as mock exams.
Sessions run in dedicated lab venues with fixed practical blocks for O-Level preparation.
SGD 150 Per 2-Hour Session
Practical course certificate note
For practical, lab, and experiment courses, Eclat Institute may issue an internal Certificate of Completion/Attendance based on participation and internal assessment.
View our sample certificate template (Current sample layout (design may be refined over time))
Official references: MOE private-school certificate guidance · SEAB practical requirement for private candidates · SEAB registration declaration note.
Combined Science candidates taking the chemistry component in 5087 or 5088 should use this page. Pure-Chemistry 6092 candidates should use the pure practical page.
Yes. We run science-specific chemistry practical blocks so candidates can focus on chemistry practical marks without committing to other science components in the same month.
No. Combined Science practical has different duration, marks, and weighting from pure chemistry practical. The paper structure and practical breadth are not identical.
Yes. Private candidates often begin with QA/titration modules, then add mock practical blocks closer to the exam period.
Need a place to revise? Browse our study places near me map for libraries, community study rooms, and late-night options.