Practice · Chemistry · 2025 syllabus · Beta
IB Chemistry question bank, topic by topic.
197 exam-style questions over 22 topics. Pick a topic, answer as you would in the exam, then mark yourself against the mark scheme. Progress saves here, and on every device with a free account.
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S1 Models of the particulate nature of matter
S2 Models of bonding and structure
S3 Classification of matter
R1 What drives chemical reactions?
R2 How much, how fast and how far?
R3 What are the mechanisms of chemical change?
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Every Biology and Chemistry question here is original, written for practice in the style of the papers set since the 2025 syllabus, with invented data. Developed independently from the International Baccalaureate Organization, which has not endorsed it. Found a mistake? Email vytis@limeadmissions.com with the question id.