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The Hydrometallurgical Process Used in Refining Gold Ore Entails Converting

Question 90

Multiple Choice

The hydrometallurgical process used in refining gold ore entails converting metallic gold to a water- soluble complex. The formula of the complex is .


A) Au(CN) 2-
B) Au(CN) 43-
C) Au(CO) 4+
D) Au(NH3) 2+
E) Au(CO) 42-

Correct Answer:

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