IB Diploma
IB Diploma Chemistry HL (CHE-HL) Past Papers & Mark Schemes
Free IB Diploma Chemistry HL (CHE-HL) past papers from 2025 to 2025, each with its mark scheme, plus past-paper questions regrouped by syllabus topic. View or download every PDF without an account.
CHE-HL past papers
21 papers
CHE-HL 2025 past papers
21 papers
November 2025
Paper 1A · TZ1
November 2025
Paper 1A · TZ3
November 2025
Paper 1B · TZ1
November 2025
Paper 1B · TZ3
November 2025
Paper 2 · TZ1
November 2025
Paper 2 · TZ3
May 2025
Paper 1A · TZ1
May 2025
Paper 1A · TZ2
May 2025
Paper 1A · TZ3
May 2025
Paper 1A · TZA
May 2025
Paper 1B · TZ1
May 2025
Paper 1B · TZ2
May 2025
Paper 1B · TZ3
May 2025
Paper 1B · TZA
May 2025
Paper 2 · TZ1
May 2025
Paper 2 · TZ2
May 2025
Paper 2 · TZ3
May 2025
Paper 2 · TZA
Specimen 2025
Paper 1A · TZ0
Specimen 2025
Paper 1B · TZ0
Specimen 2025
Paper 2 · TZ0
- Counting particles by mass: The mole
Topical questions
QuestionsMark scheme - Electron configurations
Topical questions
QuestionsMark scheme - Electron sharing reactions
Topical questions
QuestionsMark scheme - Electron transfer reactions
Topical questions
QuestionsMark scheme - Electron-pair sharing reactions
Topical questions
QuestionsMark scheme - Energy cycles in reactions
Topical questions
QuestionsMark scheme - Energy from fuels
Topical questions
QuestionsMark scheme - Entropy and spontaneity (Additional higher level)
Topical questions
QuestionsMark scheme - From models to materials
Topical questions
QuestionsMark scheme - Functional groups: Classification of organic compounds
Topical questions
QuestionsMark scheme - How far? The extent of chemical change
Topical questions
QuestionsMark scheme - How fast? The rate of chemical change
Topical questions
QuestionsMark scheme - How much? The amount of chemical change
Topical questions
QuestionsMark scheme - Ideal gases
Topical questions
QuestionsMark scheme - Introduction to the particulate nature of matter
Topical questions
QuestionsMark scheme - Measuring enthalpy changes
Topical questions
QuestionsMark scheme - Proton transfer reactions
Topical questions
QuestionsMark scheme - The covalent model
Topical questions
QuestionsMark scheme - The ionic model
Topical questions
QuestionsMark scheme - The metallic model
Topical questions
QuestionsMark scheme - The nuclear atom
Topical questions
QuestionsMark scheme - The periodic table: Classification of elements
Topical questions
QuestionsMark scheme
IB Diploma Chemistry HL — Topical workbook
Course library
IB Diploma Chemistry HL — Workbook answers
Course library
- IB Diploma Chemistry HL — Chemistry data booklet version 1.1Course library