WW No-11
1 Draw )
and Explain an activly
to show that carbondioxide changes
lime wates miky white
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Reaction with limewater
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.
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