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As we discovered in the Periodic Video “Aqua Regia dissolves Gold”, it was said that in the second World War, Niels Bohr dissolved the gold Nobel Prize medals of two German colleagues in Aqua Regia to prevent it from falling into Nazi hands.
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Why do you think gold has always been considered as the most noble metal? What is your favorite metal and why?
09/15/2014 • 
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