The objective of Engineering Chemistry is to build a solid foundation in the fundamentals of chemistry and an interface of theoretical concepts with their industrial/applications. This book is designed as an introductory course in Engineering Chemistry with complete coverage and is in accordance with the latest syllabus of JNTU. It aims to impart students with in-depth knowledge of various aspects of chemistry as applied to engineering. It extends the application of basic concepts of chemistry to understand Water and its Treatment; Electrochemistry, Batteries, and Corrosion; Energy Sources; Engineering Materials; Polymers; and Spectroscopic Techniques.