Class 10 Chemistry New Book 2026 || Unit 14 || Lecture 1

In this lecture of 10th Class Chemistry New Book 2026, we start Unit 14: States of Matter and Phase Change. In this video, you will learn the important concepts of: ✔ Internal Energy ✔ Conversion of Solid into Liquid (Melting) ✔ Conversion of Liquid into Gas (Boiling & Evaporation) ✔ Heating Curve ✔ Cooling Curve ✔ Phase Changes Explained with Examples This lecture is specially prepared for: Punjab Board Students 2026 SSC Part 2 Chemistry Students Board Exam Preparation Conceptual Learning 📘 Class: 10th Chemistry 📘 Unit: 14 – States of Matter and Phase Change 📘 Lecture: 1 📘 Medium: Urdu/Hindi #10thChemistry #Chemistry2026 #StatesOfMatter #PhaseChange #PunjabBoard #Class10Chemistry #ChemistryLecture #HeatingCurve #CoolingCurve #InternalEnergy #SirShahzadSair