The oxidation of hydrogen peroxide by sodium hypochlorite yields singlet oxygen. This group comprises aqueous solution of chlorine, hypochlorite, or hypochlorous acid. The pulp is bleached using chlorine dioxide stage followed by neutralization and calcium hypochlorite. It is not a simple mixture of calcium hypochlorite, calcium chloride, and calcium hydroxide. Common methods of disinfection include ozone, chlorine, ultraviolet light, or sodium hypochlorite. The chickenpox virus is susceptible to disinfectants, notably chlorine bleach (i.e., sodium hypochlorite). Creosote can be destroyed by treatment with chlorine, either sodium hypochlorite, or calcium hypochlorite solutions. Available chlorine refers to chlorine liberated by the action of dilute acids on hypochlorite. The mode of disinfectant action of sodium hypochlorite is similar to that of hypochlorous acid. The production of chlorine and hypochlorite bleaching agents was a large consumer of manganese ores. Disinfection of the cavity with sodium hypochlorite. Pulpal bleeding can be controlled by irrigation of sodium hypochlorite or chlorhexidine. The raw water is disinfected with sodium hypochlorite. Sodium hypochlorite (NaClO) and calcium hypochlorite (Ca(ClO)), are bleaches, deodorants, and disinfectants. In endodontic procedures, corrosive irrigants are contained such as sodium hypochlorite (bleach).