Question

few pieces of marble dropped in a test tube containing HCL and the gas evolved, was passed through lime water . indicate change in line water and write balanced chemical equations for both reactions.​

Answer 1

CaCO3+ 2HCl = Cacl2 + CO2 + H2O

CO2+ Ca(OH)2 = CaCO3 + H2O

Answer 2

CaCo3+2HCL= CaCl2+H2O+CO2

Ca(OH)2+CO2=CaCo3+H2O

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