According to official StatGrad 2025-2026 schedules , various diagnostic works are distributed throughout November, with some regions conducting specific chemistry assessments for the "Osh" (OGE) format around this timeframe. Overview of Diagnostic Content
: Covalent (polar/non-polar), ionic, and metallic bonds. 9 klass diagnosticheskajaja po himii 29 nojabrja otvety
: Frequently hosts schedules and downloadable PDFs of past training works. According to official StatGrad 2025-2026 schedules , various