Question

Chemical equation when excess of carbon dioxide gas is passed through lime water

Answer 1

hey mate! here is your ans......

if CO2 is passed in excess then milkiness disappears due to the formation of CA(HCO3)2 which is soluble in water .

here is the equation

Ca(OH)2+CO2------->CaCO3+H2O

on passing excess CO2

CaCO3+H2O+CO2----->Ca(HCO3)2

hope this will help you

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