May 2019 · 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
Covalent bonding · States of matter
Preparation of gases (O₂, H₂, CO₂)
Composition of air
Carbon allotropes · Air pollution
Haber process
Oxidation & reduction · Quantitative chemistry — moles & calculations
Electrolysis of molten salts
Qualitative Analysis
Reactivity series · Net ionic equations · Precipitation reactions
Section B
Answer any TWO of the following four questions
Answer any TWO of the following four questions
Organic Chemistry · Alkenes & alkynes
Acid rain · Equilibrium
Extraction of iron (blast furnace) · Transition metals — Fe & Cu · Quantitative chemistry — moles & calculations
Q13 — Not included
This question tested content outside the current SEC 06 syllabus and has been intentionally excluded.
Q13 — Not included (outside current syllabus)
Reactivity series · Group 1 — Alkali metals