International Chemistry Olympiad 2025. Find out more about the leading chemistry competition for secondary school students in the. Just as water polo and rugby sevens matches were starting at the 2025 summer olympics in paris, the closing ceremony for the 56th international chemistry olympiad (icho),.
56th international chemistry olympiad 2025 uk round one mark scheme although we would encourage students to always quote answers to an appropriate. Already the first years of the icho competition showed the necessity of any information for the competing students concerning the level of the tasks.