Answers

  • Brainly User
2014-05-14T12:00:17+05:30
The substance is calcium carbonate CaCO3
CaCO3+2HCI gives rise to CaCl2+H2O+CO2
CO2 is the gas evolved which has the ability to turn lime water milky
2 4 2
2014-05-14T12:06:04+05:30
Water insoluble substance is CaCO₃
CaCO₃(s)+ H₂SO₄(aq) = CaSO₄(aq)+H₂O(aq)+CO₂(g)
ca(oh)2+co2= caco3(milky)+h2o

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