Your chicken turned grey because it has a rare disease. If you ate the chicken you will contract it. I'm sorry if you ate it.
They were frozen before. Previously frozen chicken bones turn black during the cooking process.
Pewter turns it black, Copper does turn your skin green though.
it will turn black
Rusting
you cant silly
If your skin is black there is nothing you can do to turn your skin white. Doctors can perform skin lightening procedures, but it is expensive and the results are not always good.
The yellow or orange stuff that you see in mock chicken is fat. Removing these parts from the mock chicken you are preparing can make your dish healthier.
No, this is a ridiculous idea.
you cant silly
yes
Generally, skin does not typically turn black. Exceptions would be injury or exposure to extreme cold that interferes with proper blood flow.