nursing AIIMS BSc Nursing 2025 Mock Test Series Chemistry S - Block Group 2 Elements (Alkaline Metals)
A chemical A is used for the preparation of washing soda to recover ammonia. 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?
1
Ca (HCO3)2
2
CaO
3
Ca(OH)2
4
CaCO3