Question detail
Which of the following metals can be extracted from its oxide using carbon?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Reactivity of metals
Question
- A. Gold
- B. Aluminium
- C. Zinc
- D. Sodium
Answer
Zinc
Explanation
Zinc is less reactive than carbon and can be extracted from its oxide using carbon reduction, while gold and aluminium require different methods.
Common mistake
Misunderstanding Reactivity and Extraction
Students often think that all metals can be extracted from their ores using carbon, regardless of their reactivity.
Remember that only metals less reactive than carbon can be extracted from their oxides by reduction with carbon. More reactive metals require different extraction methods.
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