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.
Answer:
calcium hydroxide
Explanation:
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Answer:
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.