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Calgon is

  • Option 1)

    Sod aluminium silicate

  • Option 2)

    Calcium silicate

  • Option 3)

    Polyphosphate

  • Option 4)

    Poly sulphates

 

Answers (1)

best_answer

As we lerant in 

Permanent Hardness -

Such hardness is due to calcium or magnesium chloride and sulphate.

- wherein

It can be removed by

1)    Calgon's method

2)    Ion exchange method

 

 Calgon is the common name for the complex salt Sodium hexa meta phosphate (NaPO3)6 .So it is ployphosphate.

 


Option 1)

Sod aluminium silicate

This option is incorrect. 

Option 2)

Calcium silicate

This option is incorrect. 

Option 3)

Polyphosphate

This option is correct. 

Option 4)

Poly sulphates

This option is incorrect. 

Posted by

prateek

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