Chromite refractories are_____________________?
Correct answer: A. Neutral refractory
- A. Neutral refractory
- B. Acidic refractory
- C. Basic refractory
- D. Fired at a temperature of 600°C only
Explanation
Chromite refractories are classified as neutral because chromium oxide can resist both acidic and basic slags better than strongly acidic silica or strongly basic magnesia refractories.
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