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प्रश्न
How is lead sulphate prepared in the aboratory?
उत्तर
Lead sulphate is prepared from insoluble lead oxide, by first converting lead oxide into soluble lead nitrate with dilute nitric acid and then treating the resulting solution with sulphuric acid to obtain white ppt. of Lead sulphate.
PbO + 2HNO3 ⟶ Pb(NO3)2 + H2O
Pb(NO3)2 + H2SO4 ⟶ PbSO4 + 2HNO3
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