Question

What happens when carbon dioxide reacts with freshly prepared lime water?

a.The lime water turns milky.

b.The solution remains colourless.

c.Oxygen gas is released.

d.The chemical composition of the lime water does not change.​

Answer 1

Answer:

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Explanation:

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.