Single Answer MCQ
Q-00040004
Which of the following statements is true about rust?
1
It is a metal.
2
It forms only in dry conditions.
3
It weakens the structure of iron.
4
It is easy to remove once formed.
Answer and Solution
Answer
C. It weakens the structure of iron.
Solution:
Rust can significantly weaken the structural integrity of iron as it forms a flaky coating that can break off, leading to further corrosion.
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