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The method used to remove temporary hard...

The method used to remove temporary hardness of water is

A

Synthetic resins method

B

Calgon's method

C

Clark's method

D

Ion-exchange method

Text Solution

Verified by Experts

The correct Answer is:
C
Clark.s method `Ca(HCO_3)_(2)+Ca(OH)_(2) rarr2CaCO_3darr2H_2O`
`Mg(HCO_3)_2 + 2Ca(OH)_2 rarr2CaCO_3 darrMg(OH)_2 + 2H_2O`
Clark.s method is used to remove temporary hardness of water
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