Question

when carbon dioxide gas is passed through lime water it turn milkey due to formation of​

Answer 1

• Carbon dioxide reacts with limewater (a solution of calcium hydroxide, Ca(OH) 2), to form a white precipitate (appears milky) of calcium carbonate, CaCO 3. Adding more carbon dioxide results in the precipitate dissolving to form a colourless solution of calcium hydrogencarbonate.
• When carbon dioxide gas is passed through or over limewater, it turns milky due to the formation of calcium carbonate.

Answer 2

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