Combined Science (Chemistry) Paper 5 - QA Tables & Titration Technique (2026)

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TL;DR
Combined Science (Chemistry) Paper 5 tests two core skills that students consistently lose marks on: qualitative analysis (QA) observation language and titration technique. This guide covers both with the exact phrasing, sequencing, and precision that earn marks.

This guide and the programme page

This article covers QA and titration technique for Combined Science (Chemistry) Paper 5. For session schedules and venue information, use the O-Level Science (Chemistry) practical programme page.

For a broader Paper 5 overview, start with the Combined Science (Chemistry) Paper 5 Practical Guide.

Looking for structured practical coaching? See our O-Level Chemistry tuition programme.


If you searched for QA table or titration table

This page owns the Combined Science Chemistry Paper 5 route. It should not replace the pure 6092 QA table page.

Search intentOpen this firstWhy
qa table o level and you take Combined Science ChemistryStay on this page, then compare with the official Chemistry Practical Notes printed in Paper 5.Paper 5 is shared across two sciences and uses the combined-science chemistry scope.
qa table, o level qa table, or qa notes o level for pure 6092 ChemistryO-Level Chemistry QA table toolkitThe 6092 page owns the broader Paper 3 QA table, including the 6092 Notes for Qualitative Analysis.
titration table o level for Combined Science

Practical course completion-record note

For practical, lab, and experiment courses, Eclat Institute maintains centre-held attendance records and may also issue an internal attendance or completion document based on participation and internal assessment.

  • For SEAB private-candidate declarations, the key evidence is the centre's attendance or completion record, not a government-issued certificate.
  • This is an internal centre-issued certificate, not an MOE/SEAB qualification or accreditation.
  • Recognition (if any) is determined by the receiving school, institution, or employer.
  • For SEAB private candidates taking science practical papers, SEAB states you should either have taken the subject before or attend a practical course and complete it before the practical paper date.

View our sample completion document (Current sample layout (design may be refined over time))

Sources

  1. https://www.seab.gov.sg/files/O%20Lvl%20Syllabus%20Sch%20Cddts/2026/5086_y26_sy.pdf
  2. https://www.seab.gov.sg/files/O%20Lvl%20Syllabus%20Sch%20Cddts/2026/5088_y26_sy.pdf