Question detail
What is the word equation for extracting iron from iron(III) 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. iron(III) oxide + carbon → iron + carbon dioxide
- B. iron + carbon → iron(III) oxide + carbon dioxide
- C. iron(III) oxide + carbon → carbon dioxide + iron(III)
- D. carbon + iron(III) oxide → iron + carbon monoxide
Answer
iron(III) oxide + carbon → iron + carbon dioxide
Explanation
The correct word equation shows the reduction of iron(III) oxide by carbon, producing iron and carbon dioxide.
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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