Practice Steps In The Extraction Of Metals (7.3) - Metallurgy

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6 sample questions

Question 1.
What is gangue?
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Think about what substances are mixed with the metal-bearing part of the ore.
Question 2.
Name one method of concentrating ore.
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Consider all methods that separate valuable materials from unwanted ones.
3Question 3.
What is the first step in metal extraction?
- Reduction
- Refining
- Concentration of Ore
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Think about what happens right after sourcing the ore.
4Question 4.
True or False: Electrolysis is used only for non-reactive metals.
- True
- False
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Consider the reactivity of the metals needing electrolysis.
Question 5.
You have an ore that contains 15% silver and 85% gangue. Describe the steps you would take to extract silver optimally.
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Remember the processes discussed for concentrating and reducing the metal.
Question 6.
Explain how the principles of electrolysis apply when extracting aluminum from bauxite.
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Think about the role of energy and chemicals in the electrolytic process.

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