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)₄^3-
• C) Au(CO)₄⁺
• D) Au(NH₃)₂⁺
• E) Au(CO)₄^2-

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A narrative technique that presents thoughts and feelings of a character as they occur, often disregarding narrative order.