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| Q. |
The chemical formula of Permutit is ____________ |
| A. | SiOAl2O3Na2O |
| B. | SiO2Al2O3Na2O |
| C. | SiO2Al2O3NaO |
| D. | SiO3Al2O3Na2O |
| Answer» B. SiO2Al2O3Na2O | |
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