Caulk or seal behind baseboards and in cracks and crevices where centipedes like to hide. Place a dehumidifier in damp areas to sufficiently dry the air. Structural repairs may be necessary to the home and/or yard if a dehumidifier does not keep a room sufficiently dry.
Hydrogen chloride is a colorless to slightly yellow gas with a sharp, irritating odor. It forms a dense white vapor when it comes in contact with air. When hydrogen chloride dissolves in water, it forms hydrochloric acid also known as muriatic acid.
1 Ammonia has alkaline properties and is corrosive. 2  Ammonia gas dissolves easily in water to form ammonium hydroxide, a caustic solution and weak base. 3  Ammonia gas is easily compressed and forms a clear liquid under pressure.