Question

what happens to the lime water in test tubewhen the gas is passed through it ?​

Answer 1

Answer:

Resultant carbon dioxide passed through limewater in the right tube, producing a milky solution due to precipitation of the insoluble suspension of calcium carbonate: ... CaCO3(s) + H2O(l) + CO2(g) → Ca(HCO3) 2(aq) The milkiness disappears since calcium bicarbonate is water-soluble.

Explanation:

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