Question

Reaction involved-

CaCO3​+2HCl→CaCl2​+CO2​+H2​O


The evolved gas is carbon dioxide which when passes through lime water turns it milky.


Ca(OH)2​+CO2​→H2​O+CaCO3​ ⇐ due to formation of this compounds


when excess CO2​ is passed

CaCO3​+H2​O+CO2​→Ca(HCO3​)2​


Bicarbonate is formed which again clears the solution.








what is question​

Answer 1

Answer:

Why Limewater turns milky when co2 is passed through it?