May 2021 · Paper 1
Pre-2025 SyllabusDownload the official question paper from the MATSEC website, attempt it first, then use this page to check your working.
Atomic structure & Periodic Table · Ionic bonding
Balancing equations · Rusting & prevention
States of matter
Rates of reaction
Q5 — Not included
This question tested content outside the current SEC 06 syllabus and has been intentionally excluded.
Q5 — Not included (outside current syllabus)
Quantitative chemistry — moles & calculations
Organic Chemistry · Alcohols · Carboxylic acids & esters
Preparation of gases (O₂, H₂, CO₂) · Oxidation & reduction
Limestone & building materials
Covalent bonding · Ionic bonding
Separation techniques
Electrolysis of aqueous solutions