Intellectual Olympiad in Chemistry - 2026 ongoing
1000 ₸
Subject: Chemistry Level: IV (I is easiest, XII is hardest)
Category: student, student, educator
Question language: Қазақша
Questions: 15
Example question: Судың 45 г сәйкес келетін зат мөлшері (моль) 5,5, 2,5, 4,5, 6,5