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| Q. |
While designing the demineralisation plant what is considered as the weak acidic cation load? |
| A. | alkaline hardness |
| B. | alkaline hardness+ ema |
| C. | ema |
| D. | silica |
| Answer» A. alkaline hardness | |
| Explanation: the load for weak acid cation is alkaline hardness alone. alkalinity is expressed as phenolphthalein alkalinity. it is also expressed as methyl orange alkalinity. | |
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