Which of the following is not shipped in mild steel containers ?
Correct answer: A. Formic acid
- A. Formic acid
- B. Ammonia
- C. Ethyl alcohol
- D. Acetone
Explanation
Formic acid is sufficiently corrosive to attack ordinary mild steel, so it requires more resistant container materials. Acetone, ammonia, and ethyl alcohol can commonly be handled in suitable mild-steel equipment under controlled conditions.
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