Answer:
Lead carbonate is not reacted with sulphuric acid in the formation of carbon dioxide because lead is insoluble in water. The reason is that lead is non polar substance and water is polar solvent means it makes positive and negative poles. Only polar solute dissolve in polar solvent and non polar solute dissolve in non polar solvent. So that's why lead carbonate do not dissolve in water and makes a layer on the water.
Step-by-step explanation: