Alkanes | Lecture 3|Chapter 11 Hydrocarbons |9th class Chemistry | Definition, Formula, Properties скачать в хорошем качестве

Alkanes | Lecture 3|Chapter 11 Hydrocarbons |9th class Chemistry | Definition, Formula, Properties

In this 21-minute lecture from Class 9 Chemistry (Chapter 11: Hydrocarbons), we explain the topic 11.2 Alkanes in detail (Urdu/Hindi). Alkanes are saturated hydrocarbons containing only single covalent bonds between carbon atoms. This lecture covers their definition, general formula, properties, occurrence, and uses with clear examples. This lecture is designed for Class 9 students to prepare effectively for board exams, school tests, and entry tests. It also explains the importance of alkanes in daily life and industry. 📌 Topics covered in this lecture: 00:00 Introduction to Alkanes 02:15 General formula of alkanes 03:45 IUPAC nomenclature of alkanes 14:45 Exercise questions given within topic about nomenclature 🔔 Subscribe for more Class 9 Chemistry lectures, solved MCQs, and short questions to prepare effectively for exams!