Intellectual Olympiad in Chemistry - 2026 ongoing
1000 ₸
Subject: Chemistry Level: I (I is easiest, XII is hardest)
Category: student, student, educator
Question language: Русский
Questions: 15
Example question: Оксиды, взаимодействующие между собой: Al203 и Н20, ZnО и Н20, Li20 и Н20, K20 и МgО