Iron reacts with water, air, and dilute acids. Iron will not dissolve in pure water or dry air. When both water and oxygen are present, iron oxidizes, precipitates out of solution and forms rust as shown in reaction
Iron reacts with water, air, and dilute acids. Iron will not dissolve in pure water or dry air. When both water and oxygen are present, iron oxidizes, precipitates out of solution and forms rust as shown in reaction