RÉVISER BREVET CHIMIE 2026 🎯💪 1h de révision ! ✅

🎯 15 exercises to review the key concepts of the 8th and 9th grade Chemistry curriculum! ✅ Good luck everyone! 🔎 Chapters: 00:00 | Intro 00:50 | 1 – MATTER: the 3 physical states 04:03 | 2 – CHEMICAL FORMULA 06:06 | 3 – pH: acidic, basic, or neutral? 07:58 | 4 – MOLECULAR MODEL 14:27 | 5 – Balanced chemical equation? 18:40 | 6 – Calculating DENSITY 22:38 | 7 – IONS: identification tests 26:50 | 8 – Composition of AIR 29:05 | 9 – Measuring pH (Diagram!) 31:31 | 10 – MIXTURES: Homogeneous, heterogeneous, solubility, saturated 39:06 | 11 – Structure of an atom 42:01 | 12 – Balanced chemical equations (Level 2) 47:20 | 13 – Transformation: physical or chemical? 51:27 | 14 – Composition of an atom (Level 2) 53:30 | 15 – Chemical transformation 📥 1 file with ALL TOPICS corrected in video format, by chapter (Updated monthly): https://drive.google.com/file/d/1W_8a...