Copper Coin Experiment
First, we cleaned our Coins in Salt and vinegar solution. Then we put 50ml of 2mol+ Naoh into a beaker. We heated the beaker on the bunsen burner and stir as heating and then take off the heat. We added a spatula of Zinc powder and heat lightly for 30 min with the coin inside and stir as heating. Then we take the coin out with the scissor tongs. After that, we rinse the coin under water to remove chunks of zinc and the last thing we did was wave the coin in the blue flame using tongs and the coin turned to gold. And that was the end of the experiment
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