May 2024 · Paper 2A
Pre-2025 SyllabusDownload the official question paper from the MATSEC website, attempt it first, then use this page to check your working.
This paper included a Section B choice element — answer any 2 of 4 questions worth 20 marks each. The current syllabus (2025+) no longer includes this.
Section A
Relative atomic mass from isotopes
Organic Chemistry · Polymers
Q3 — Not included
This question tested content outside the current SEC 06 syllabus and has been intentionally excluded.
Q3 — Not included (outside current syllabus)
Q4 — Not included
This question tested content outside the current SEC 06 syllabus and has been intentionally excluded.
Q4 — Not included (outside current syllabus)
Q5 — Not included
This question tested content outside the current SEC 06 syllabus and has been intentionally excluded.
Q5 — Not included (outside current syllabus)
Rates of reaction
Balancing equations
Composition of air · Group 1 — Alkali metals
Group 1 — Alkali metals · Metals & the environment
Organic Chemistry · Acid rain · CFCs & ozone
Section B
Answer any TWO of the following four questions
Answer any TWO of the following four questions
Energetics
Group 7 — Halogens
Quantitative chemistry — moles & calculations
Oxidation & reduction · Electrolysis of molten salts