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Reaction of ion exchange method for removing permanent hardness of water?? |
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Answer» Answer: Permanent hardness can only be removed by lime-soda, ION EXCHANGE or zeolite PROCESS. hardness: Like all carbonates and bicarbonates, calcium and magnesium carbonates and bicarbonates are ALKALINE. Then hardness due to the bicarbonates and carbonates is called alkaline hardness or CARBONATE hardness. |
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