Engineering chemistry aims at imparting intensive and extensive knowledge of the subjects, so that readers can understand the role of chemistry in the field of engineering. This book has been written keeping in the mind the requirement of engineering students i.e. every aspect of a topic has been dealt keeping its concern in engineering science. This text book contains 9 chapters covering various disciplines of engineering chemistry and deals with various branches of chemistry such as physical, Inorganic, Organic and analytical. Other topics covered include electrode potential and cells, batteries and fuel cells, corrosion and its control, Chemical Fuel & Photovoltaic Cells, Water and its treatment, Nanomaterial etc.