MCQOPTIONS
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MCQOPTIONS
| 1. |
Permutit has an exchange value of ________ grams of hardness per m3 of zeolite? |
| A. | 10,000 |
| B. | 20,000-30,000 |
| C. | 35,000-40,000 |
| D. | 40,000-50,000 |
| Answer» D. 40,000-50,000 | |