Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?
Correct answer: D. Brass, cast iron, mild steel and tin
- A. Silicone rubber, teflon, porcelain and wood
- B. Nickel, monel, stainless steel and graphite
- C. Aluminium, copper, high silicon iron
- D. Brass, cast iron, mild steel and tin
Explanation
At 40°C, glacial acetic acid can attack brass, cast iron, mild steel and tin, making this group unsuitable. Nickel, monel, stainless steel and graphite generally provide much better resistance.
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