selling an unused , completely new book . Purchased by later on changed my major. Now it is lying completely new . Recommend by an IIT TOPPER itself .Essentials of Chemistry textbook for Class XII. Perfect for students preparing for board exams and competitive exams. Includes passage-based and assertion-reasoning questions. Authored by Alok Shukla and Sudhanshu Bhaskar, published by Dhanpat Rai Publishing Company. Get ready to ace your chemistry!