Please note that the Sri Lanka National and Junior Chemistry Olympiad Preliminary Examination for 2025 has been scheduled to be held on the 25th of January 2025
Sri Lanka National Chemistry Olympiad Preliminary examination 2024 – Results
The Chemistry Olympiad Sri Lanka (COSL) competition is conducted each year by the Institute of Chemistry Ceylon in view of identifying most talented students in Chemistry and to promote problem-solving in Chemistry among the school children.
Winners of COSL are recognized as National Chemistry Olympiad Gold, Silver and Bronze medalists and four best students will receive an opportunity to participate at the International Chemistry representing Sri Lanka.