WBBSE Class 8 Science Chapter 3 Know About Some Common Gases | Part 4 (Final)|

🔬 WBBSE Class 8 Science | Chapter 3 – Know About Some Common Gases | Part 4 (Final) In this video, we complete Chapter 3: Know About Some Common Gases from the WBBSE Class 8 Science syllabus. This is Part 4 (Final), where we learn about the preparation of oxygen gas and study hydrogen gas in detail with an easy Bengali explanation. 📚 Topics covered in this video: 🧪 Oxygen Gas • Preparation of oxygen gas in the laboratory • Laboratory method of preparation of oxygen • Important chemical equation • Collection and identification of oxygen gas 💨 Hydrogen Gas • Uses of hydrogen • Physical properties of hydrogen • Chemical properties of hydrogen • Laboratory preparation of hydrogen • Preparation of hydrogen using zinc and dilute sulphuric acid • Important chemical equation and observations 🎯 This video is useful for WBBSE Class 8 students preparing for school examinations, unit tests and annual examinations. The concepts are explained in simple Bengali so that students can understand the chapter easily and revise important points quickly. 📖 Chapter: Know About Some Common Gases 📌 Chapter No.: 3 🎓 Class: 8 🏫 Board: WBBSE 🔬 Subject: Science 🎬 Part: 4 (Final) 🗣️ Explanation: Bengali If this video helps you understand the chapter, don't forget to LIKE 👍 | SHARE 📲 | SUBSCRIBE 🔔 to Krittika's Classroom for more WBBSE Class 8 Science and English lessons, Bengali explanations, important questions and exam preparation. #WBBSE #WBBSEClass8 #Class8Science #WBBSEScience #KnowAboutSomeCommonGases #CommonGases #OxygenGas #HydrogenGas #OxygenPreparation #HydrogenPreparation #Class8ScienceBengali #WBBSEClass8Science #ScienceInBengali #KrittikasClassroom