Glass is corroded by________________?
Correct answer: A. Fluorine (dry or wet)
- A. Fluorine (dry or wet)
- B. Sulphuric acid
- C. Phosphoric acid
- D. None of these
Explanation
Fluorine attacks the silica network of glass, forming volatile silicon fluorides and related fluorinated products. Sulphuric and phosphoric acids are generally not capable of attacking glass in the way fluorine does.
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