When you get a question wrong, do not just read the mark scheme, nod, and move on. Keep a dedicated notebook or digital spreadsheet. Write down the question you missed. Write down the exact concept you forgot or misinterpreted.
is specifically designed for teachers, but if your school provides you with a login, it is arguably the most accurate resource for matching the current IB criteria and "Nature of Science" requirements. Conclusion
Widely considered the "gold standard" for IB prep, Revision Village has recently expanded its Chemistry bank to match the new 2025 syllabus. High-end, polished, and very user-friendly.