Question

14 )The carbonate of metal lead is a white solid. it decompose when heated to form carbondioxide and a yellow solid oxide X . What is X

Answer 1

Answer: X IS LEAD

Explanation:Metal carbonate will give CO2 (not CaO) on decomposition. Metal X is lead (Pb). Lead oxide is white solid amorphous powder. When lead carbonate is heated, it is decomposed to lead oxide and carbon dioxode.