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The reaction involved during the removal...

The reaction involved during the removal of temporary hardness of water is

A

`Ca(HCO_3)_2 overset(Delta)to CaCO_3 + H_2O + CO_2 darr`

B

`CaCl_2 + Na_2CO_3 to CaCO_3 darr + 2NaCl`

C

`MgSO_4 +Na_2 Al_2 SiO_2 x H_2O +Na_2 SO_4`

D

`2CaCl_2 + (NaPO_3)_6 to Na_2 [Ca(PO_3)_6] + 4NaCl`

Text Solution

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The correct Answer is:
A
Boiling method is used for removal of temporary hardness
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