This book is beneficial for science and engineering students. The book contents are well explained in simple language. It also covers basic general chemistry topics. The book is based on latest syllabus of Technical education Uttarakhand. Solved examples are given to explain mole concept. Numericals based on normality, molality, molarity, solubility, Faraday's law are also given for the practice of students. The general description of laboratory equipment is given. Practical based on volumetric exercises are also at the end of book.