Basic bricks are not made of ___________________?
Correct answer: A. Fireclay
- A. Fireclay
- B. Magnesite
- C. Forsterite
- D. Chromite
Explanation
Fireclay is an acidic aluminosilicate refractory, not a basic refractory. Magnesite, forsterite, and chromite are used as basic or basic-compatible refractory materials.
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