This book on Electrochemistry, is consisting of five chapters discussing about the electrochemistry, its theory, mathematics and application. This book will be helpful for those students studying the electrochemistry in the graduation and post-graduation in colleges and universities. It is the authors appeal to the students and readers of this book to pick up the useful facts from the books and use it well. Contents:– Resistance and Conductance; Laws of Electrochemistry; Electrochemical Kinetics; Electrometry; Electrowetting and Surface Chemistry