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Chemical A is used for water softening t...

Chemical A is used for water softening to remove temporary hardness. A reacts with sodium carbonate to generate caustic soda. When `CO_2` is bubbled through A, it turns cloudy. What is the chemical formula of A ?

A

`CaCO_3`

B

CaO

C

`Ca(OH)_2`

D

`Ca(HCO_3)_2`

Text Solution

Verified by Experts

The correct Answer is:
C
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