17.2 Change in Mass During a Chemical Reaction | Class 10th Chemistry Chapter 17 | New Book 2026

Timeline ⏰ for this lecture: 00:00 Change in mass during a chemical reaction 09:18 Formation of a gas during a chemical reaction In this lecture, we study 17.2 Change in Mass During a Chemical Reaction from Chapter 17 (Reaction Kinetics) of Class 10 Chemistry (Punjab Board, New Book 2026). 📘 Chapter: 17 – Reaction Kinetics 📍 Topic: 17.2 Change in Mass During a Chemical Reaction 🎓 Class: 10th / Matric 📚 Board: Punjab Board (PECTAA) In this video, you will learn: How mass changes during a chemical reaction Relationship between reaction rate and mass Mass loss in reactions producing gases Experimental observations and analysis Factors affecting the rate of reaction Important board exam concepts and questions This lecture is specially designed for Punjab Board students to understand reaction kinetics through practical examples and experiments. 👉 Subscribe for more Chemistry lectures, solved examples, MCQs, short questions, numericals, and exercise solutions. #Class10Chemistry #ReactionKinetics #ChemicalReaction #MassChange #ReactionRate #PunjabBoard #MatricChemistry #Chapter17 #PECTAA #ChemistryLecture