The 11th NCERT Chemistry Textbook (Part I) is a free Android application developed by BOOKSHELF. It is an excellent reference for Class 11 students studying under the CBSE Board. The app provides a comprehensive guide to the first part of the Chemistry textbook with chapter-wise explanations and exercises.

The app covers all the essential topics of Chemistry, including basic concepts of chemistry, structure of atom, classification of elements and periodicity in properties, chemical bonding and molecular structure, states of matter, thermodynamics, and more. It also includes additional information on the latest developments in chemistry, which is beneficial for students preparing for competitive exams.