Question detail
Which metal cannot be extracted from its oxide using carbon due to its high reactivity?
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. Iron
- B. Copper
- C. Aluminium
- D. Zinc
Answer
Aluminium
Explanation
Aluminium is more reactive than carbon, so it cannot be extracted from its oxide using carbon reduction.
Common mistake
Common Mistake in Writing Word Equations
Students often forget to include the correct products when writing word equations for extracting metals from metal oxides using carbon.
To fix this, students should practice identifying the metal and carbon dioxide as the products and ensure they write the equation in the correct format, e.g., 'Metal oxide + Carbon → Metal + Carbon dioxide'.
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