Which gas turns lime to water milky? (Oxygen/Carbon dioxide)

1 Answer
David Drayer · Bio
Mar 16, 2018

Carbon Dioxide.

Explanation:

Lime water contains Calcium Hydroxide which is soluble in water.

#CO_2 + Ca(OH)_2 = CaCO_3 + H_2O#

Calcium carbonate # CaCO_3# is not soluble so it forms a cloudy white mixture.

Oxygen does not react with Calcium hydroxide

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