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Class 10 > What happens to the Calcium ions of hard water when...
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What happens to the Calcium ions of hard water when passed through a layer of Permutit ?

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Calcium ions are exchanged with the sodium ions in the permutit.
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MAthematics Lecturer

They are changed into sodium ions
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this will exchange cations (calcium ions) in hard water for sodium ions, the water will get softened. Calcium from the hard water gets converted to Calcium Aluminium Silicates
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Medical CSIR NET LIFE SCIENCES

Permutit is a complex chemical compound of sodium aluminium silicate. When hard water (which is due to Ca or Mg ions) passed over it, Ca ion of water replace by Na ions by making a complex of Cacium alluminium silicate. Similarly Mg also replaced by Na ions. Thus one can remove hardness of water due...
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Permutit is a complex chemical compound of sodium aluminium silicate. When hard water (which is due to Ca or Mg ions) passed over it, Ca ion of water replace by Na ions by making a complex of Cacium alluminium silicate. Similarly Mg also replaced by Na ions. Thus one can remove hardness of water due to calcium or Magnesium. read less
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Don't want to over express myself, just join and feel the experience.

Calcium is abstracted and the sodium salt passes in solution
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Medical CSIR NET LIFE SCIENCES

Ca replaced with Na
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Medical CSIR NET LIFE SCIENCES

permutit react with Ca to make insoluble complex that remove hardness of water
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Calcium ions are exchanged with the sodium ions in the permutit.
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