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Which of the following metals or alloys cannot be used for making crucibles?(a) Nickel(b) Zirconium(c) Mercury(d) PlatinumThe question was posed to me in homework.My question comes from Crucibles topic in section Metal Furnace and Practice of Casting-Forming-Welding II

Answer»

The CORRECT choice is (C) Mercury

Explanation: For the making of crucibles, nickel and zirconium have been employed in the recent times. PLATINUM had been used for this purpose in the earlier times, owing to its INERTNESS, but mercury cannot be used for making it.



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