Prachi The World of Science Chemistry for Class 7 is a comprehensive textbook designed to build foundational chemistry concepts through clear explanations and engaging illustrations. Aligned with CBSE and state board curricula, this book covers essential topics including matter, atoms, molecules, chemical reactions, and periodic table fundamentals. Each chapter features worked examples, practice problems, and diagrams to reinforce learning and support exam preparation. Ideal for students seeking a structured approach to chemistry with accessible language and visual aids that make complex concepts easier to understand.