when water is added to A of calcium solutions of a compound B is formed When Co2 is passed into the solution it turns milky due to the formation of compound C . If excess of Co2 is passed into the solution milkiness disappears due to the formation of a compound D. identify A,B,C,D. Why the milkiness disappears in last step? give all the reactions involved.
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A=Calcium oxide
B=Calcium hydroxide
C=CaCO3
D=Ca(HCO3)2
Reactions
1.
CaO+H2O--------->Ca(OH)2+Heat
2.
Ca(OH)2+CO2------->CaCO3+H2O
3.
CaCO3+CO2(excess)+H2O---->Ca (HCO3)2
Its become less milky because Calcium hydro-carbonate is less shiny salt.
IF YOU ARE SATISFIED THEN MAKE IT BRAINLIEST AND CLICK ON THANKS.
B=Calcium hydroxide
C=CaCO3
D=Ca(HCO3)2
Reactions
1.
CaO+H2O--------->Ca(OH)2+Heat
2.
Ca(OH)2+CO2------->CaCO3+H2O
3.
CaCO3+CO2(excess)+H2O---->Ca (HCO3)2
Its become less milky because Calcium hydro-carbonate is less shiny salt.
IF YOU ARE SATISFIED THEN MAKE IT BRAINLIEST AND CLICK ON THANKS.
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