Question

What happens when normal air is passed into the lime water

Answer 1

$the carbon dioxide present in the exhaled air reacts with the Lime water\\ and turns it into a milky solution,\\ since the the CO2 reacts with Ca(OH)2 and forms CaCO3 or\\ Calcium Carbonate, which is insoluble and white in colour$

Answer 2

Answer:

Calcium hydroxide is the chemical name of Lime water through which when the exhaled air passes, it converts it into a milky solution.

This significant change is mainly seen because of a reaction caused between the carbon dioxide and Lime water.

Calcium carbonate is formed which is white in color and insoluble in nature as a result of the chemical reaction.

Explanation: