Mild steel storage vessels are suitable for the storage of___________________?
Correct answer: A. Anhydrous ammonia
- A. Anhydrous ammonia
- B. Fatty acids
- C. Hydrochloric acid (95%)
- D. Sulphuric acid (25%)
Explanation
Dry anhydrous ammonia is stored safely in mild-steel vessels because it does not significantly attack carbon steel under suitable conditions. Acids, especially hydrochloric acid, generally require lined or special-alloy vessels.
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