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levacccp [35]
3 years ago
10

when carbon dioxide is bubbled through lime water the solution first turn milky and to colour less . Explain why these changes o

ccur​
Chemistry
1 answer:
Annette [7]3 years ago
5 0

Answer:

When excess of carbon dioxide is passed in lime water, calcium carbonate is converted to calcium bicarbonate which is soluble, hence the milkiness due to calcium carbonate disappears.

Explanation:

Ca(OH)2+CO2 → CaCO3 (Milkiness) ↓+H2O

CaCO3+H2O+CO2 → Ca(HCO3)2 (soluble)

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