Worldwide Chemistry Olympiad Archive

Ukraine (under construction)

Worldwide Chemistry Olympiad Archive

National Olympiads
National Olympiads
- Argentina (under construction)
- Australia
  Australia
  - Australia 2012-2025
  - Australia 1987-2011
- Austria
  Austria
- Belgium (under construction)
- Belarus
- Brazil (under construction)
- Bulgaria (under construction)
- Canada
  Canada
- China (under construction)
- Czech (under construction)
- Denmark
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- Finland
- France
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- Japan
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- Netherlands
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- Poland (under construction)
  Poland (under construction)
  - 2025
  - 2024
- Romania (under construction)
- Russia (under construction)
- Slovakia (under construction)
- Sweden
- Switzerland
  Switzerland
  - Switzerland 2021-2026
  - Switzerland 2007-2020
- Turkey (under construction)
- UK
- Ukraine (under construction)
- USA
  USA
International Contests (Under Construction)
International Contests (Under Construction)
- IChO
- ARBIChO
- Baltic
- Iberoamerican
- Mendeleev
- Nordic
Junior Contests (Under Construction)
Junior Contests (Under Construction)
- Germany CdS
- India NSEC
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Ukraine (under construction)