A discoloration of the tongue that looks like rust can be caused by a few conditions. These include poor oral hygiene dehydration certain medication iron deficiency and a vitamin B12 deficiency.
It is important to see a doctor if the discoloration of the tongue persists as it can be a sign of an underlying medical condition.
Same reason anything else turns discolored when they die. Their cells are dead and discolored.
Not a human tongue
By reacting with oxygen.
It makes your tongue turn black and fall off
Pickles become discolored because they are soaked in big drums of vinegar and other spices for 2-3 months and from being soaked for that period of time they turn greenish-yellow.
Acid does not remove rust, however the use of phosphoric acid on rust converts the iron oxide to iron phosphate, which in turn can be painted without the fear of rust forming. The iron phosphate surface will not deteriorate the metal like iron oxide does.
Be very, very gentle . . . no rough stuff like boys like. Little tongue taps on it, perhaps, or rubbing with the tongue to one side or the other, but not directly on it can be a big turn-on.
No it will not rust as it doesnt have iron in it, but it may corrode and turn black over time
you simply cannot move your tongue. It is connected to the bottom of your mouth. You cannot remove it and turn it over. not possible.
They will both rust metal. Salt water just makes the metal rust faster. However, it is iron combined with oxygen that causes rust. So, if the metal isn't or doesn't contain iron, it will not rust.
Typically bacteria will cause your tongue to turn brown. This is a serious problem that needs to be addressed by your doctor.