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

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, ...

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 ...

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 ...