Are you searching for the class 9th PCTB (Punjab Curriculum and Textbook Board) Chemistry English Medium Chapter 1 [States of Matter and Phase Changes] Descriptive Questions new notes 2025-2026? You are on the right website. Welcome to Seven Muslims Academy, a free online educational platform by Habib Ur Rahman Zulfiqar Hijazi. PCTB has changed the class 9th syllabus; the new notes for class 9th textbooks are available on the Seven Muslims Academy site. Below you can see the PDF for Chemistry New Notes. You can view it online or click on the download button for PDF Notes.