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Which of the Following Is an Example of a Hydrometallurgical

Question 29

Multiple Choice

Which of the following is an example of a hydrometallurgical process?


A) Al(OH) 3(s) + SiO2(s) Which of the following is an example of a hydrometallurgical process? A) Al(OH) <sub>3</sub>(s) + SiO<sub>2</sub>(s) AlSiO<sub>3</sub>(s) + 3H<sub>2</sub>O(g) B) Ni(OH) <sub>2</sub>(s) NiO(s) + H<sub>2</sub>O(g) C) 2Al(OH) <sub>3</sub>(s) Al<sub>2</sub>O<sub>3</sub>(s) + 3H<sub>2</sub>O(g) D) CuSO<sub>4</sub><sup>∙</sup>5H<sub>2</sub>O(s) + H<sub>2</sub>O(l) CuS(s) + H<sub>2</sub>SO<sub>4</sub>(aq) + 5OH⁻(aq) E) Al<sub>2</sub>O<sub>3</sub><sup>∙</sup><sup>n</sup>H<sub>2</sub>O(s) + 2OH⁻(aq) + 2H<sub>2</sub>O(l) 2Al(OH) <sub>4</sub>⁻(aq) AlSiO3(s) + 3H2O(g)
B) Ni(OH) 2(s) Which of the following is an example of a hydrometallurgical process? A) Al(OH) <sub>3</sub>(s) + SiO<sub>2</sub>(s) AlSiO<sub>3</sub>(s) + 3H<sub>2</sub>O(g) B) Ni(OH) <sub>2</sub>(s) NiO(s) + H<sub>2</sub>O(g) C) 2Al(OH) <sub>3</sub>(s) Al<sub>2</sub>O<sub>3</sub>(s) + 3H<sub>2</sub>O(g) D) CuSO<sub>4</sub><sup>∙</sup>5H<sub>2</sub>O(s) + H<sub>2</sub>O(l) CuS(s) + H<sub>2</sub>SO<sub>4</sub>(aq) + 5OH⁻(aq) E) Al<sub>2</sub>O<sub>3</sub><sup>∙</sup><sup>n</sup>H<sub>2</sub>O(s) + 2OH⁻(aq) + 2H<sub>2</sub>O(l) 2Al(OH) <sub>4</sub>⁻(aq) NiO(s) + H2O(g)
C) 2Al(OH) 3(s) Which of the following is an example of a hydrometallurgical process? A) Al(OH) <sub>3</sub>(s) + SiO<sub>2</sub>(s) AlSiO<sub>3</sub>(s) + 3H<sub>2</sub>O(g) B) Ni(OH) <sub>2</sub>(s) NiO(s) + H<sub>2</sub>O(g) C) 2Al(OH) <sub>3</sub>(s) Al<sub>2</sub>O<sub>3</sub>(s) + 3H<sub>2</sub>O(g) D) CuSO<sub>4</sub><sup>∙</sup>5H<sub>2</sub>O(s) + H<sub>2</sub>O(l) CuS(s) + H<sub>2</sub>SO<sub>4</sub>(aq) + 5OH⁻(aq) E) Al<sub>2</sub>O<sub>3</sub><sup>∙</sup><sup>n</sup>H<sub>2</sub>O(s) + 2OH⁻(aq) + 2H<sub>2</sub>O(l) 2Al(OH) <sub>4</sub>⁻(aq) Al2O3(s) + 3H2O(g)
D) CuSO4∙5H2O(s) + H2O(l) Which of the following is an example of a hydrometallurgical process? A) Al(OH) <sub>3</sub>(s) + SiO<sub>2</sub>(s) AlSiO<sub>3</sub>(s) + 3H<sub>2</sub>O(g) B) Ni(OH) <sub>2</sub>(s) NiO(s) + H<sub>2</sub>O(g) C) 2Al(OH) <sub>3</sub>(s) Al<sub>2</sub>O<sub>3</sub>(s) + 3H<sub>2</sub>O(g) D) CuSO<sub>4</sub><sup>∙</sup>5H<sub>2</sub>O(s) + H<sub>2</sub>O(l) CuS(s) + H<sub>2</sub>SO<sub>4</sub>(aq) + 5OH⁻(aq) E) Al<sub>2</sub>O<sub>3</sub><sup>∙</sup><sup>n</sup>H<sub>2</sub>O(s) + 2OH⁻(aq) + 2H<sub>2</sub>O(l) 2Al(OH) <sub>4</sub>⁻(aq) CuS(s) + H2SO4(aq) + 5OH⁻(aq)
E) Al2O3∙nH2O(s) + 2OH⁻(aq) + 2H2O(l) Which of the following is an example of a hydrometallurgical process? A) Al(OH) <sub>3</sub>(s) + SiO<sub>2</sub>(s) AlSiO<sub>3</sub>(s) + 3H<sub>2</sub>O(g) B) Ni(OH) <sub>2</sub>(s) NiO(s) + H<sub>2</sub>O(g) C) 2Al(OH) <sub>3</sub>(s) Al<sub>2</sub>O<sub>3</sub>(s) + 3H<sub>2</sub>O(g) D) CuSO<sub>4</sub><sup>∙</sup>5H<sub>2</sub>O(s) + H<sub>2</sub>O(l) CuS(s) + H<sub>2</sub>SO<sub>4</sub>(aq) + 5OH⁻(aq) E) Al<sub>2</sub>O<sub>3</sub><sup>∙</sup><sup>n</sup>H<sub>2</sub>O(s) + 2OH⁻(aq) + 2H<sub>2</sub>O(l) 2Al(OH) <sub>4</sub>⁻(aq) 2Al(OH) 4⁻(aq)

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