"Bonding the World with Chemistry"

49th INTERNATIONAL CHEMISTRY OLYMPIAD
6 - 15 July 2017, Nakhon Pathom, THAILAND

Previous tasks

The competition problems from the International Chemistry Olympiads

The best ICHO-tasks

46th International Chemistry Olympiad

Practical Examination
July 23, 2014 Hanoi, Vietnam
(pdf, 640 KB)
Theoretical Examination
July 25, 2014 Hanoi, Vietnam
(pdf, 872 KB)

47th International Chemistry Olympiad

Practical Examination
July 23, 2015 Baku, Azerbaijan
(pdf, 3.03 MB)
Theoretical Examination
July 25, 2015 Baku, Azerbaijan
(pdf, 1.10 MB)

48th International Chemistry Olympiad

Practical Tasks
July 26, 2016 Tbilisi, Georgia
(pdf, 664 KB)
Theoretical Problems
July 28, 2016 Tbilisi, Georgia
(pdf, 1.20 MB)