Intellectual Olympiad in Chemistry - 2026 ongoing
1000 ₸
Subject: Chemistry Level: III (I is easiest, XII is hardest)
Category: student
Question language: English
Questions: 15
Example question: A reaction has a theoretical yield of 10.0 g and an actual yield of 8.0 g. What is its percentage yield? 20%, 40%, 80.0%, 125%