"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, 640 KB)
Theoretical_Examination
July 25, 2015 Baku, Azerbaijan
(pdf, 872 KB)