Explaining Inventions on Instagram: "Cleaning silver with hot water, baking soda, salt, and aluminum foil uses a simple electrolysis reaction. When silver items are placed in a container lined with aluminum foil and covered with the mixture, a chemical reaction begins. The baking soda and salt help transfer electrons between the tarnished silver and the aluminum. Through this process, the sulfur that caused the tarnish (silver sulfide) is pulled away from the silver and bonds with the aluminum i