IGCSE Chemistry Syllabus 2025 (0620) – Complete Guide + PDF + Exam Tips
The IGCSE Chemistry Syllabus 2025 (0620) gives students a clear, structured pathway to master essential chemical principles, prepare for exam-style questions, and score Grade A* with confidence. This guide provides the full breakdown of the syllabus, topic-by-topic content, downloadable resources, chapter-wise notes, and relevant internal links from CambridgeClassroom.com.
Whether you are a self-study student, teacher, or parent, this updated 2025 guide will help you understand exactly what to study, how Cambridge assesses learning outcomes, and which resources guarantee top scores.
📘 Download IGCSE Chemistry Syllabus PDFs (Core + Extended)
📚 IGCSE Chemistry Syllabus 2025 — Topic Breakdown
Below is the complete outline used by Cambridge International for the 0620 curriculum:
1. Experimental Chemistry
- Laboratory apparatus
- Purification & separation
- Measurement & data analysis
- IGCSE Chemistry Practical Skills
2. The Particulate Nature of Matter
- States of matter
- Diffusion & Brownian motion
- Kinetic Particle Theory
3. Atoms, Elements & Compounds
- Atomic structure
- Isotopes
- Ionic & covalent bonding
- Periodic Table Notes
4. Stoichiometry
- Relative masses
- Empirical/Molecular formula
- Mole concept
- Mole Concept Made Easy
5. Electricity & Chemistry
- Electrolysis
- Electrical conductivity
- Electrolysis Notes
6. Chemical Energetics
- Exothermic/endothermic reactions
- Energy level diagrams
7. Chemical Reactions
- Rate of reaction
- Reversible reactions
- Rates of Reaction (Graphs & Examples)
8. Acids, Bases & Salts
- Indicators
- Neutralisation
- Preparing soluble salts
- Acids, Bases & Salts — Complete Notes
9. The Periodic Table
- Group trends
- Transition metals
- Group 1: Alkali Metals
- Group 17: Halogens
10. Metals
- Reactivity series
- Extraction of metals
- Reactivity Series Notes
11. Air & Environment
- Pollutants & greenhouse gases
- Air & Atmosphere Notes
12. Organic Chemistry
- Alkanes, alkenes, alcohols
- Polymers
- Organic Chemistry Made Simple
📝 IGCSE Chemistry Assessment Structure (2025)
- Paper 2 (MCQ) – 30% weighting
- Paper 4 (Theory – Extended) – 50% weighting
- Paper 6 (Alternative to Practical) – 20% weighting
Download practice resources:
🔥 Examiner Tips to Score A* in IGCSE Chemistry 2025
- Memorise chemical tests (ions, gases, flame tests)
- Practice formula + balancing equations daily
- Use diagrams in Paper 4 — earn easy marks
- Do at least 10 years past papers
- Focus heavily on mole concept, energetics, organic chemistry
- Practice graph questions for rate of reaction & energy changes
📚 Additional Recommended Chemistry Resources (Internal Links)
- Chapter-wise IGCSE Chemistry Notes
- Chemical Bonding Explained with Diagrams
- How to Balance Chemical Equations
- Complete Chemistry Formula Sheet
- Endothermic & Exothermic Reactions
Final Words
The IGCSE Chemistry Syllabus 2025 (0620) provides a complete roadmap for mastering theoretical, practical, and conceptual chemistry skills. With the right resources, past papers, and chapter-wise notes, achieving an A* becomes absolutely achievable.














