Register for the Chemistry Olympiad

Are you fascinated by chemistry? Then show us your skills at the Chemistry Olympiad! You can solve the first round until 27 October 2019.

After the first round at your school or at home, the best 60 students from Switzerland and the Principality of Liechtenstein will meet for an an exciting weekend at the University of Basel and the central examination at the University of Bern. If you make it to the final, you can expect further preparations at EPF Lausanne and the University of Zurich as well as an eventful final round in the laboratories of ETH Zurich. Secure your place there for the International Chemistry Olympiad 2020 in Istanbul!


Solve the Test

You can easily solve the first round of the Chemistry Olympiad online. It lasts 40 minutes and consists of multiple-choice questions. The closing date for entries is 27 October 2019. If you like, you can prepare yourself with old exams from our archive.


Structure and Agenda

Learn more about the structure of the Olympiad and about the important dates.



We are happy to help you if you have any questions. We are looking forward to your e-mail.


Solution Scent Molecules

Cinnamaldehyde (top left), cuminaldehyde (top right), vanillin (bottom left), safranal (bottom right)

Further articles


A message to the IEO team from Alexandra Dache

Alexandra Dache, coordinator of academic preparation for the Swiss Economics Olympiad, shares a message to Silvan Thut, Aline Leutwiler, Ana Van der Ree and Dario Ackermann who represented Switzerland at the International Economics Olympiad 2020.



Schweizer gewinnt Bronze an der Internationalen Wirtschafts-Olympiade

Was soll eine Covid-19-Impfung kosten? Wie investiere ich richtig? Mit solchen Fragen beschäftigten sich die Schweizer Teilnehmenden an der diesjährigen Internationalen Wirtschafts-Olympiade, kurz IEO. Vom 8. bis 13. September verbrachten die vier Talente eine Woche an der Universität Bern, um gemeinsam die virtuellen Prüfungen anzutreten.


A philosophical quest

After the final of this year's Philosophy Olympiad was reduced to an online essay competition, the participants finally met in person at the beginning of September. They spent four days traveling across Switzerland in the footsteps of two famous philosophers.


A final change and 10 new all-girls teams

An article on the website of the World Robot Olympiad talks about how the Swiss Robotics Olympiad is coping with the pandemic - and how they managed to double the number of female participants in one year with their initivative "Mehr Girls in Robotik".


Fünf Ehrenmeldungen für die Schweiz an Mitteleuropäischer Mathematik-Olympiade

«Geographisch getrennt, mathematisch vereint» lautet das Motto der diesjährigen Mitteleuropäischen Mathematik-Olympiade, kurz MEMO. Wegen der Pandemie fand der Wettbewerb online statt. Auf den internationalen Austausch mussten die Schweizer Teilnehmenden trotzdem nicht verzichten. Das Team aus Slowenien stattete ihnen einen Besuch ab.



Logic and Passion

As children, she and her sisters competed over calculations and logic puzzles. Today, she passes on her knowledge to the next generation of mathematically gifted youngsters. Ivana Klasovita knows first-hand how valuable talent promotion in STEM subjects can be – especially for girls and young women.