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| Q. |
What is the preferred regenerant in case of anion exchanger? |
| A. | nacl |
| B. | naoh |
| C. | na2so4 |
| D. | na2co3 |
| Answer» B. naoh | |
| Explanation: the preffered regenerant in case of anion exchanger is naoh. regeneration is a process necessary to regenerate the resin. in this way the resin can be reused for the next demineralization process. | |
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