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Calcium hydroxide+carbon dioxide------calcium Carbonate+water |
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Answer» Hey dear mate Here is ur answer :- ➡Carbon dioxide reacts with LIMEWATER (a solution of CALCIUM hydroxide, CA(OH)2), to form a white precipitate (appears milky) of calcium carbonate, CaCO3. ❇Adding more carbon dioxide RESULTS in the precipitate dissolving to form a colourless solution of calcium hydrogencarbonate. ❇Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O(l) ❇CaCO3(s) + CO2(g) + H2O(l) → Ca(HCO3)2(aq) ➡This is used as a test for carbon dioxide. ✴When carbon dioxide is bubbled through limewater the limewater changes from colourless to milky. Hope it helps u ☺❤ |
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