Which of the following is used to remove rust stains on clothes: A) Kerosene B) Lime C) Oxalic Acid Solution D) None of the Above
Option C) Oxalic acid's main applications include cleaning on bleaching, especially for the removal of rust(iron complexing agent). Bar Keepers Friend is an example of a household cleaner containing oxalic acid. Its utility in rust removal agent is due to its forming a stable water-soluble salt with ferric iron, ferrioxalate ion.
