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What solution can make gold sparkle again but reduces its weight?
Wiki User
∙ 10y ago
Aqua regia or royal water (mixture of conc. HCl and conc. HNO3 in the ratio of 3:1 by volume) 3HCl + HNO3 = NoCl+2 H2O + Cl .
NoCl= nitrosyl chloride
Cl= nascent chlorine
Wiki User
∙ 10y ago
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