Strong acid, causes coagulation necrosis due to denaturation of proteins
Most household bleaches are only 3-6%<unk> e solutions, but patients may have occupational exposures if working in steel picking, chemical manufacturing, oil/gas-well acidizing, and food processing<unk>  is combustion product of polyvinyl chloride (PVC), can cause chemical inhalation injury, can persist in air for up to an hour after fire extinguished
Hydrochloric acid
Caustic ingestion
Hydrofluoric acid
Caustic eye exposure 
Agent orange
Caustic dermal burn
Selenium sulfide
Airbag-related burns