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Hardness producing salt, whose solubilit...

Hardness producing salt, whose solubility in water decreases with rise of temperature is

A

`CaCl_2`

B

`CaSO_4`

C

`Ca(HCO_3)_2`

D

`MgSO_4`

Text Solution

Verified by Experts

The correct Answer is:
C
By boiling water the bicarbonates of hard water converted into soluble carbonates.
`Ca(HCO_3)_(2)overset("boil")rarrCaCO_3 +H_2O+CO_2`
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