Previous Preparatory Problems

53rd International Chemistry Olympiad 

Kansai Area, Japan (Remote Access Exam)

From 25 July to 2 August 2021

52nd International Chemistry Olympiad 

Istanbul, Turkey (Remote Access Exam)
From 23 to 29 July 2020

51st International Chemistry Olympiad 

Paris, France
From 21 to 30 July 2019

50th International Chemistry Olympiad 

Bratislava, Slovakia and Prague, Czech Republic
From 19 to 29 July 2018

49th International Chemistry Olympiad 

Nakhon Pathom, Thailand
From 6 to 15 July 2017

48th International Chemistry Olympiad 

Tbilisi, Georgia
From 23 July to 1st August 2016

47th International Chemistry Olympiad 

Baku, Azerbaijan
From 20 to 29 July 2015