which of the following is fire extinguisher option oxalic acid after the copper sulphate agency aluminium Hydroxide action for Ammonium hydroxide
Answers
The answer is aluminium hydroxide.
Aluminium hydroxide is an insoluble, chemical compound found in nature as gibbsite. It acts as a foam fire retardant. When used in fire, at high temperatures, it absorbs the heat and forms water vapour. This water vapour is aluminium oxide, which forms a protective covering, that is not flammable and thus protects the surface. It is used also to suppress smoke.
Oxalic acid is an organic compound with the formula C2H2O4. It is a colorless crystalline solid that forms a colorless solution in water. Its condensed formula is HOOCCOOH, reflecting its classification as the simplest dicarboxylic acid. ), is a chelating agent for metal cations.
afff foam after copper sulphate agency is used as extenguish option oxalic acid