NCO
NEXUS Chemistry Olympiad
The NEXUS Chemistry Olympiad (NCO) is a national-level competitive examination designed to develop scientific curiosity, analytical thinking, and conceptual clarity in chemistry among school students
Chemistry explains the composition, structure, and transformations of matter around us. The NCO encourages students to move beyond memorization and develop a deeper understanding of chemical concepts and their real-life applications.
The exam focuses on:
• Conceptual understanding
• Logical reasoning
• Scientific thinking
• Application of chemistry concepts
NCO
Nexus Olympiad offers exams in Chemistry for grades 6 to 12.
Exam Registration
Schools can easily register students for the Chemistry Olympiad exams.
Exam Pattern
Result & Ranking
Exam Schedule
Marking Scheme
Awards & Recognition
SLOT-1 : 05 Oct 2026 .Monday
SLOT-2 : 02 Nov 2026 .Monday
Section A: Logical Reasoning : 15 Questions
Section B: Chemistry : 30 Questions
Total Questions: 45
Total Marks: 180
Duration: 60 Minutes
Section A: No negative marking
Section B: +4 for correct answer, −1 for incorrect answer
No marks for unattempted questions
Results will include:
School Rank
City Rank
National Rank
Results will be available on the official NEXUS Olympiad website.
🏅 Gold Medal – School Topper
🥈 Silver Medal – Outstanding Performance
🥉 Bronze Medal – Merit Category
Additional recognitions may include
National Rank Certificate
Special awards and Cash prize for TOP scorers
Our Services
Nexus Olympiad offers exams in Mathematics for grades 6 to 12.
Exam Registration
Schools can easily register students for the Mathematics Olympiad exams.
School Partnership
Connect your school with us by submitting the partnership form online.
Projects
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