It is primarily intended to be a textbook for first year undergraduate students of engineering and technology. It is designed as per the syllabi requirements of most of the Indian universities especially as prescribed by Uttarakhand Technical Punjab Technical University, HP University, Anna University and UP Technical University. The text is covered in 15 chapters and In each chapter different types of Important problems have been discussed. Question bank is given at the end of the text. Some problems have been discussed in different manner for easy understanding by the students such as in analytical chemistry, liquid crystals, chemical kinetics, water chemistry, spectroscopy and lubricants. The information provided will be also be helpful In enhancing the basic concepts to the readers.