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A chemical A is used for the preparation...

A chemical A is used for the preparation of washing soda to recover ammonia. When `CO_(2)` is bubbled through an aqueous solution of A, the solution turns milky. It is used in white washing due to disinfectant nature what is the chemical formula of A?

A

`Ca(HCO_(3))_(2)`

B

`CaO`

C

`Ca(OH)_(2`

D

`CaCO_(3)`

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C
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