Class: 9

Notes and solutions for Class 9 students following the Federal Board curriculum alligned with National Book Foundation

Chemistry Class 9 | Matter | Chapter 2 | Notes | FBISE | PDF

Are you ready to unlock the secrets of the universe, starting with everything you can see, touch, and breathe? From the air you exhale as $CO_2$ to the high-tech liquid crystals in your smartphone screen, chemistry is the key to understanding how our world is built. In this chapter on Matter, we’re diving deep into … Read more

Chemistry Class 9 Acid, Bases and Salts Short Questions FBISE

What You’ll Learn in This Guide by pknotes: – Understanding Bronsted-Lowry acids and bases – The role of H⁺ and OH⁻ ions in chemistry – Strong vs. weak acids and bases explained – Four types of acid reactions with practical examples – How acid rain forms and destroys our planet – Real-world solutions that scientists … Read more