When carbon dioxide is passed through lime water, it turns milky, why?

1.	When carbon dioxide is passed through lime water, it turns milky, why?
Answer» The milky substance is insoluble in water Becaise carbon dioxide reacts with lime water and forms calcium carbonate which is also a type of combination reaction of limenwater and carbon dioxide. The formation of calcium carbonate gives the product white colour .........thenreaction follows is Ca(0H)²+CO²--->CaC0³+heat it is also a type of exothermic reaction as heat is released

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