What is chemistry? I’m sure that every chemist has his or her answer to that question. Mine would be along the following lines: Chemistry is the study of matter and its transformations and the ...

General Introduction: Importance and scope of Chemistry, Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules, atomic and molecular masses, ...

Boost your JEE Main score by focusing on high-yield topics in Physics, Chemistry, and Mathematics. Follow a smart study ...

The Punjab Board's 2025–2026 Class 11 Chemistry Syllabus includes a detailed description of the topics covered in each chapter as well as the substance of the practical test. The key concepts and ...