Salient Features of the book: discussion is presented in a systematic and logical sequence, as one step leads to another and guides the students to move forward. Key terms and concepts are explained at the end of each br>Chapter this will assist the students in quick revision of the topics studied. All concepts and problems are fully illustrated with the help of real-life examples. This will not only help in understanding the subject with ease but will also assist in sustaining the interest of the students. Questions based on higher Order Thinking Skills (HOTS) covering important aspects of the subject too have been included. Recent question papers set in the Board Examination are increasingly getting oriented towards the NCERT Textbook. In view of this, complete solutions to questions in the NCERT Textbook have been included in relevant chapters. Application-based questions with their solutions have been added. A large number of solved numerical problems and give reason type questions too have been appended. Questions from previous years’ examinations have also been included in each br>Chapter solved practical exercises in the book will serve as a useful tool in understanding the concepts. Test yourself in each br>Chapter for self-evaluation of the topic studied. Cbse Sample Paper (Solved) and Model test papers (Solved) included for the benefit of students. Sample graphs and diagrams To help simplify the subject matter. Practice Test Paper and past two years’ Board Question Papers (Solved). an exhaustive list of questions at the end of each br>Chapter will promote revision and comprehension of the subject.