Question 106 of 117

A compound (A) is used in preparation of washing soda to recover ammonia in Solvay's process. When CO2 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) CaHCO32                       (b) CaO

(c) CaOH2                           (d) CaCO3