SURA’S 12th Standard Chemistry (Volume I & II) Guide in English Medium – Latest Updated Edition 2026–27 is a comprehensive resource created to help Plus Two students gain a strong understanding of core Chemistry concepts and excel in their board examinations. This guide strictly follows the latest Tamil Nadu State Board (Samacheer Kalvi) syllabus and covers all lessons in both Volume I and Volume II with clarity and precision.

Each chapter includes concept-wise explanations, important definitions, illustrative problems, step-by-step solved examples, and additional practice questions to strengthen conceptual clarity and problem-solving skills. Special emphasis is given to organic chemistry mechanisms, physical chemistry numericals, and inorganic chemistry principles to ensure complete coverage.

The guide also provides model question papers, previous year-type questions, and expected important questions, helping students prepare effectively for board exams. With simplified content and exam-focused presentation, this 2026–27 updated edition is an essential tool for mastering 12th Standard Chemistry.