UP Home Guard Science Class 2025 | Matter (पदार्थ) Part 02 | UPP Home Guard Chemistry Demo 02 | Chemistry By Rahul Sir Welcome to UP Home Guard Science Class 2025! In this session, Rahul Sir explains Matter (पदार्थ) – Part 02, covering important Chemistry concepts useful for UPP Home Guard, UP Police, SSC, and other competitive exams.