Question

what happens when seo2 is bubbled through lime water write the chemical equation

Answer 1

Hi friend!
When CO2 gas is bubbled through lime water :-
i)In small amount then the lime water turns milky due to formation of calcium carbonate. Reaction: 
Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O(l) 
The insoluble CaCO3 is the reason that the solution turns milky
 ii)in excess amount then the milkiness of the lime water disappears due to formation of Calcium bicarbonate. 

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