Pure bromine is somewhat toxic but less toxic than fluorine and chlorine. Both chlorine and bromine contribute significantly to overall ozone depletion. Aromatic halogenation with bromine, chlorine, or iodine gives the corresponding aryl halides. Iron reacts with fluorine, chlorine, and bromine to form Iron(III) halides. Addition of fluorine, chlorine, and bromine occurs for C. It does not react with sulfuric acid, hydrochloric acid, chlorine or any alkalis. Lead dioxide is a strong oxidizing agent, capable of oxidizing hydrochloric acid to chlorine gas. Chlorine azide (ClN) and bromine azide (BrN) are extremely sensitive and explosive. Such reactions require highly reactive reagents, such as chlorine and fluorine. These include SeSX, with X being chlorine or bromine. SiH and SiH. Silicon forms tetrahalides with fluorine, chlorine, and iodine. The soldiers' breath smells like green kale mixed with chlorine and ammonia. Biofilm can be reduced or prevented by using chlorine or other chemicals. ABC dry chemical is inappropriate for chlorine or oxidizer fires. There are many similarities between chlorine and chloramine.