dissolve in water give compound B which are used in a white washing powder component react with carbon dioxide and precipitated it also write an equation
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The substance used for white washing is CaO (Calcium Oxide) . Compund A is calcium oxide formula = Cao .
When compund A is dissolved in water, Compund B is formed called Calcium Hydroxide Ca(OH)2 also called Slaked Lime.
CaO + H2O ----> Ca(OH)2
When compund B reacts with Carbon Dioxide, Calcium Carbonate , CaCO3 is formed.
Ca(OH)2 + CO2 ----> CaCO3 + H2O
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