Everything Mega Lecture teachers have written for O Level and IGCSE Chemistry, in one download:
- Topic notes for the whole 5070 and 0620 syllabus
- Topical worksheets with marking schemes, including moles, bonding, organic and electrochemistry
- Definitions and revision summaries
Delivered as zip files under 80 MB each, with a README index. Written by Mega Lecture teachers; for personal study. The same notes stay free to read online, one at a time, on the O Level Chemistry notes page.






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