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[" 20.A chemical' "A" ' is used for the ...

[" 20.A chemical' "A" ' is used for the preparation of washing "],[" soda to recover ammonia.When "CO_(2)" is bubbled "],[" through an aqueous solution of "^(2)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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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 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 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 chemical A is used for the preparation of washing soda. 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?