Intellectual Olympiad in Chemistry - 2026 ongoing
1000 ₸
Subject: Chemistry Level: III (I is easiest, XII is hardest)
Category: student, student, educator
Question language: Қазақша
Questions: 15
Example question: Сутекпен әрекеттесетін заттар Au,N2, N2, NH3, S,WO3, H2SO4, S