This book caters to the basic need of the pharmacy graduates studying physical and analytical chemistry, a subject taught in all the four years. This book covers the pharmaceutical aspect and applications of topics in pharmacy, use of basic physical chemistry concepts to pharmaceutical science, e.g., calculation of pH of drug solutions, determination of shelf life of drugs, water content in drug substances, relationship of partition coefficient with drug absorption, distribution, metabolism, excretion, etc. Considering the target audience, i.e., undergraduate student, the language of the book has been kept simple and lucid so that the students do not find difficulty in understanding the basic concepts of the subject. This book is also covering syllabus of two subjects, viz. physical chemistry and analytical chemistry so that students need not to search for separate books for different topics/chapters. The book also includes solved problems to help understand the concepts better.