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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is gangue?
π‘ Hint: Think about what substances are mixed with the metal-bearing part of the ore.
Question 2
Easy
Name one method of concentrating ore.
π‘ Hint: Consider all methods that separate valuable materials from unwanted ones.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the first step in metal extraction?
π‘ Hint: Think about what happens right after sourcing the ore.
Question 2
True or False: Electrolysis is used only for non-reactive metals.
π‘ Hint: Consider the reactivity of the metals needing electrolysis.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
You have an ore that contains 15% silver and 85% gangue. Describe the steps you would take to extract silver optimally.
π‘ Hint: Remember the processes discussed for concentrating and reducing the metal.
Question 2
Explain how the principles of electrolysis apply when extracting aluminum from bauxite.
π‘ Hint: Think about the role of energy and chemicals in the electrolytic process.
Challenge and get performance evaluation