Stuart Jenner/Shutterstock.com 92 C H A P T E R 6 Ions: Charged Particles in Solution Learning Outcomes After studying this chapter, you will be able to ❍ ❍❍ describe the ionization of water. ❍ distinguish between the characteristics of acids and the characteristics of bases. ❍ ❍ state how the pH scale is used to identify acids and bases. ❍ ❍ identify the role of pH in the digestion process. ❍ ❍ explain the role of pH in food preservation and baking applications. Reading Prep Arrange a study session to read the chapter with a classmate. After you read each section independently, stop and tell each other what you think the main points are in the section. Continue with each section until you finish the chapter.