Chemistry grade 9 unit 3 exercise 3.4 &3.5

📚 GRADE 9 CHEMISTRY — EXERCISES 3.4 & 3.5 Welcome to our Grade 9 Chemistry tutorial! In this video, we study and solve Exercises 3.4 and 3.5 from the Ethiopian Grade 9 Chemistry textbook under the topic Laws of Chemical Combination. 📖 WHAT YOU WILL LEARN: ✅ Proust's Law — Law of Definite Proportions ✅ The mass ratio of hydrogen and oxygen in water (H₂O) ✅ The mass ratio of carbon and hydrogen in ethanol (C₂H₆O) ✅ The elements in one mole of H₂O₂ and H₂O ✅ Calculations involving nitrogen oxides ✅ The Law of Multiple Proportions 🎯 WHO IS THIS VIDEO FOR? • Grade 9 Ethiopian students • Students studying the new curriculum • Anyone preparing for chemistry exams Our goal is to make chemistry simple, understandable, and accessible to every Ethiopian student. 👍 If this video helps you, LIKE, SHARE, and SUBSCRIBE for more Ethiopian curriculum tutorials! 📌 Subscribe for more Grade 9–12 lessons, practice questions, and exam preparation. #Grade9Chemistry #EthiopianCurriculum #ChemistryTutorial #ExerciseSolutions #EthiopianStudents #secret training institute #globedock academy #saquama