Olympiad
Singapore Junior Chemistry Olympiad
Notes, slides and problem sets for the Singapore Junior Chemistry Olympiad, from the first ideas to competition questions.

8 chapters in teaching order. Read a chapter on screen, or open its PDF to print. The switch chooses the colour or the black-and-white edition.
December to April, Chapters 1 to 8
Chapters 9 to 17, added as each is written
Click or press → to step through a deck. M opens the section menu and F goes full screen.
Two sets for each topic, each about an hour. Set A builds up from the lesson and Set B is exam practice. Each set has an answer key and review slides.