Which one of the following refractory materials is recommended for steel furnaces containing CaO stages?

Which one of the following refractory materials is recommended for ste

1.	Which one of the following refractory materials is recommended for steel furnaces containing CaO stages?
A.	Alumina
B.	Silica
C.	Magnesia
D.	Fireclay
Answer» C. Magnesia

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Which one of the following refractory materials is recommended for steel furnaces containing CaO stages?

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