Chemistry explores the composition, properties, and transformations of matter—from the atoms that form everything around us to the chemical reactions …
Category: First
By Nargis Rahmani
Biology 7-9
Biology explores life in all its forms—from tiny microorganisms to complex ecosystems. This textbook provides a structured journey through essential …
Category: First
By Nargis Rahmani
Esters
Category: Organic chemistry
By Haroon Rashid Rahmani