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ICSE Class 10 Chemistry 2014 Paper

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Give balanced chemical equations to prepare the following salts :
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Question : 68 of 88
Marks: +1, -0
Lead sulphate from lead carbonate.
Solution:  
PbCO3+2HNO3     lead carbonate       →Pb(NO3)2+\underset{\;\;\text{ lead carbonate }\;\;\;}{\mathrm{PbCO}_3+2\mathrm{HNO}_3}\rightarrow\mathrm{Pb}(\mathrm{NO}_3)_2+ H2O+CO2\mathrm{H}_2\mathrm{O}+\mathrm{CO}_2
  Pb(NO3)2+H2SO4→PbSO4     lead sulphate   \;\mathrm{Pb}(\mathrm{NO}_3)_2+\mathrm{H}_2\mathrm{SO}_4\rightarrow\mathrm{PbSO}\underset{\;\;\text{ lead sulphate }\;}{_4}   +2HNO3\;+2\mathrm{HNO}_3
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