IP Chemistry Upper Sec 07: Redox Chemistry
26 Nov 2025, 00:00 Z
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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.
- 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 complete a practical course before the practical exam date.
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These notes align with SEAB GCE O-Level Chemistry (6092) content used in IP programmes (exams from 2026).
Status: SEAB O-Level Chemistry 6092 syllabus (exams from 2026) checked 2025-11-30 - scope unchanged; remains the reference for this note.
What you must know
- Redox definitions: oxidation = loss of electrons/oxygen gain/hydrogen loss/increase in oxidation state; reduction = gain of electrons/oxygen loss. Oxidising agents are reduced; reducing agents are oxidised.
- Redox tests: acidified turns purple → colourless when reduced; acidified
