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Explain sodium ion-exchange process with a simple diagram. (6 Marks) Write the equations of calcium carbonate and magnesium sulfate removal from hard water using

Explain sodium ion-exchange process with a simple diagram. (6 Marks) Write the equations of calcium carbonate and magnesium sulfate removal from hard water using sodium ion-exchange process. ( 2 marks) Using the salts mentioned in Part II, write the equations of sodium resin regeneration process. (2 Marks)

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