Question

On passing excess co2 through lime water it firstbturns milky and then becomes colourless . Write tge chemical equation

Answer 1

on passing co2 through lime water , it will turn milky and the following reaction will take place⤴⤴⤴

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Answer 2

Answer.

*CO2 can be tested by passing it through lime water.
Ca (OH)2 + CO2 ➡ CaCO3 + H20.


* When excess CO2 is passed,
CaCO3 + CO2 + H2O ➡ Ca (HCO)3.

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