Question detail
What is the process called that uses electricity to obtain copper from solutions of copper compounds?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Using the Earth's resources and obtaining potable water
Question
- A. Electrolysis
- B. Phytomining
- C. Bioleaching
- D. Displacement
Answer
The correct option is Electrolysis. This answer is correct because it matches the approved learning objective to describe how copper can be obtained from solutions of copper compounds by electrolysis. (HT only) in the subtopic Alternative methods of extracting metals.
Explanation
The correct option is Electrolysis. Electrolysis is correct because it directly supports the approved learning objective to describe how copper can be obtained from solutions of copper compounds by electrolysis. (HT only). This belongs to the subtopic Alternative methods of extracting metals within Using the Earth's resources and obtaining potable water, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Alternative methods of extracting metals.
Common mistake
Confusing Electrolysis with Other Methods
Students often confuse electrolysis with other methods of copper extraction, such as displacement or reduction with carbon.
To fix this, students should focus on the specific process of electrolysis, understanding that it involves using an electric current to separate copper ions from a solution.
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