Miran breathe gentaly through opening c with mouth. What change in colour of lime water is observed in test tube 1
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Answer:
Lime water changes it colour and turn into milky due to formation of white precipitate of calcium carbonate, CaCO(3).
Explanation:
On passes excess carbon dioxide through lime water,the white precipitate formed first dissolves due to the formation of a soluble salt calcium hydrocarbonate and the solution becomes clear again .
CaCO3(s)+CO2(g)+H2O(l) - Ca(HCO3)2(aq)
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