Magnesite bricks have poor resistance to attack by _____________ slag?
Correct answer: C. Acid
- A. Lime
- B. Basic
- C. Acid
- D. None of these
Explanation
Magnesite is a basic refractory and is compatible with basic slags, but acidic slags attack it. Lime and other basic slags are therefore not the expected source of poor resistance.
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