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| Q. |
The chemical formula of Permutit is |
| A. | sioal2o3na2o |
| B. | sio2al2o3na2o |
| C. | sio2al2o3nao |
| D. | sio3al2o3na2o |
| Answer» B. sio2al2o3na2o | |
| Explanation: the chemical formula of permutit is sio2al2o3na2o. the increase in the value of sio2 increases its resistance to aggressive attacks. | |
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