Question detail
What is required for iron to rust?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Using materials
Question
- A. Only air
- B. Only water
- C. Both air and water
- D. Neither air nor water
Answer
Both air and water
Explanation
Rusting occurs when iron reacts with both air and water, leading to the formation of rust.
Common mistake
Common Misunderstanding of Rusting Experiments
Students often think that rusting can occur without both air and water present in the experiments.
Emphasize that both air and water are essential for rusting to occur, and ensure to reference experiments that demonstrate this requirement.
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