Chemically, mullite refractories is____________________?
Correct answer: A. 3Al2O3.2SiO2
- A. 3Al2O3.2SiO2
- B. Al2O3
- C. ZrSO4
- D. ThO2
Explanation
Mullite is the alumino-silicate compound 3Al₂O₃·2SiO₂. Its high-temperature stability makes it valuable in refractory applications.
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