Thoria is an expensive refractory material and is radioac... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Thoria is an expensive refractory material and is radioactive in nature. Thorium oxide is used in the manufacture of______________?

Correct answer: D

Explanation

Thorium oxide is suitable for crucibles because it resists chemical attack and high temperatures when melting pure metals.

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