When you put a penny in fresh milk nothing will happen, but if you put it in curdled milk, the penny will become shiny.
Nothing really. Just get penny out of the soy sauce, wipe it off, and save or spend it. The soy sauce can still be used.
It will clean the penny. :)
it sinks
it explodes
it ruins the copper in the penny and turns it white.
they put it into cartons at the store!
Lactic acid cleans the tarnish from copper
nothing
It lights up
pasteurization
Lactic acid cleans the tarnish from copper
Milk is put into a holding tank so it can cool before it is processed into other dairy products.
One penny is for my thoughts (thoughts normally kept to self), the second is for me to share my opinion outloud.