For 10 points, name this three atom compound that is also known as caustic potash.
A three to five percent aqueous solution of this chemical can be placed on mushrooms to determine the species for a given sample. In (**) the manufacture of biodiesel from vegetable oil bases, this chemical is used in order to esterify any fatty acids that may be (*) present. In saponification, this chemical is used to create "soft" soaps. In nickel-cadmium batteries, this chemical is used as the electrolyte. In solar cell production, this base is used to texture the top silicon surface to provide a greater surface area. For 10 points, name this three atom compound that is also known as caustic potash.
A three to five percent aqueous solution of this chemical can be placed on mushrooms to determine the species for a given sample.
potassium hydroxide (accept KOH, accept caustic potash before mentioned)