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?
You sandwiched your admission that the photo showed blue tarnish on silver between a claim that the photo didn’t show blue and the false claim that the OP specifically asked why blue in particular.
The photo is proof that silver can tarnish to blue.