Today we did an experiment on a copper coin. we tried to turn in from copper to silver than to gold. at the start of the experiment we got our on individual coins then we cleaned them if they were dirty in salt and vinegar water, after that we put 50mL of 2molL Na HO into a beaker, we proceeded to set up the bunsen burner, we put the beaker with the chemical on top of the fire and waited for a light boil. we added Zinc power into our chemical and stirred the mixture, then we put it back on the heat and put the coin in with it after a while, it turned into a silver coin then we gave it a rinse and put it on the fire then soon it turned into a gold coin.
