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Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ? | |
A. | Silicone rubber, teflon, procelain and wood. [Wrong Answer] |
B. | Nickel, monel, stainless steel and graphite. [Wrong Answer] |
C. | Aluminium, copper, high silicon iron. [Wrong Answer] |
D. | Brass, cast iron, mild steel and tin. [Correct Answer] |