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Aqua regia reacts with

$\begin {array} {1 1} (A)\;\text{copper only} \\ (B)\;\text{ both copper and silver only} \\ (C)\;\text{all the three coinage metals} \\ (D)\;\text{none of the three coinage metals} \end {array}$

1 Answer

Answer : all the three coinage metals
answered Jul 31, 2014 by thanvigandhi_1
 

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