Posts

Showing posts from October, 2025

Class 12 Chemistry Chapter 1: The Solid State – Complete Board Exam Notes

Image
Class 12 Chemistry Chapter 1: The Solid State – Complete Board Exam Notes Struggling with Chapter 1: The Solid State? Don’t worry! We have prepared a complete guide for Board Exam students to make your preparation easier. These notes are perfect for quick revision and last-minute preparation. ✅ What You’ll Get Easy-to-understand explanations of all concepts Important formulas & derivations Key diagrams & tables Quick revision points Handwritten notes PDF for offline study 📌 Key Concepts of The Solid State 1. Classification of Solids Crystalline Solids: Ordered particle arrangement, definite shape Amorphous Solids: Random particle arrangement, no definite shape 2. Unit Cell & Crystal Lattice Unit cell: Smallest repeating unit of a crystal Types: Simple Cubic (SC), Body-Centered Cubic (BCC), Face-Centered Cubic (FCC) 3. Packing Efficiency SC: 52.36%, BCC: 68%, FCC: 74% 4. Density of Unit Cell 5. Types of Crystals Ionic, metallic, covalent, molecular Properties & exampl...

Himachal State All Govt Examination Current Affairs – 150 Important Questions (Part 1)

  Himachal State All Govt Examination Current Affairs – 150 Important Questions (Part 1)