This book has been so designed as to fulfill the needs of the students who are moving towards a better understanding and application of the fundamentals of chemistry. The book primarily aims at developing a systematic and conceptual approach in solving multiple choice questions. It empowers the students with latest trends in competitive examinations. It will also help the students to develop the ability and self confidence in tackling the multiple choice questions. While compiling the book, special attempt has been made to keep the book concise and free from confusion. The language and presentation has been kept as simple as possible. The book has been written according to the new syllabus and the style of JEE (Main) issued by C.B.S.E.