I have my late grandpa’s silver spoon attached to my fridge with a neodymium magnet. What kind of chemical reaction causes that discolouration?
I have my late grandpa’s silver spoon attached to my fridge with a neodymium magnet. What kind of chemical reaction causes that discolouration?
It’s oxidation, so rust. You can clean it with silver polish.
To be pedantic, rust is explicitly iron oxide. Iron rusts, silver tarnishes.