Chemical Engineering - Refractory Technology - Discussion

42. 

Which is a neutral refractory ?

[A]. Graphite
[B]. Magnesite chrome
[C]. Silica
[D]. Magnesia

Answer: Option A

Explanation:

No answer description available for this question.

Saridon said: (Dec 5, 2020)  
How can it be possible?

Because graphite has a hexagonal lattice structure. And in this structure, electron moves freely.

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