Lead carbonate is a compound composed of lead and carbonate ions. It contains lead in the +2 oxidation state. It is made by mixing lead(II) acetate and carbon dioxide. It does not dissolve in water. It is poisonous because it has lead in it. It produces lead(II) oxide when heated.
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Old toxic Dutch Boy Paint, with basic lead carbonate and linseed oil
Lead carbonate Facts for Kids. Kiddle Encyclopedia.