Single Answer MCQ
Q-00019690
In which condition do iron nails NOT rust?
1
In moist air
2
In distilled water
3
In dry air
4
In saltwater
Answer and Solution
Answer
C. In dry air
Solution:
Iron nails do not rust in dry air as moisture is absent. They rust in moist air, distilled water may allow some rusting, and saltwater generally accelerates it.
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