Posted inHome Unit 4 Potash alum Potash alum, also known as potassium aluminum sulfate, is an inorganic compound with the chemical formula KAl(SOâ‚„)₂·12Hâ‚‚O. It is a hydrated double salt that consists of aluminum, potassium, sulfur, and… Posted by DeepakRajput December 5, 2023