The objective
Cover with a steel nail copper foil, a chemist working?
Not at all! A simple mixture and the metal is deposited alone.
You need
” 2 steel nails
” Sandpaper
” 4 copper coins (5 cents)
” Vinegar
” Salt
” Spoons
” Glass
Shine the nail
1 / Rub a nail with sandpaper. It must be brilliant.
Saltwater
2 / In the glass, pour vinegar (half fill).
3 / Add salt to saturation of the mixture and stir with a spoon to dissolve.
Mixing metal
4 / Place the nail rubbed and coins in the glass containing the vinegar solution.
Copper layer
5 / Let stand overnight. Then remove the nail and coin glass.
6 / Incredible: compared to a nail that has not soaked in the solution, the nail became orange, and coins shine.