Question

- The carbonate of metal lead is a white
solid. It decomposes when heated to
form carbon dioxide and a yellow solid
oxide 'X'. What is X?
(a) Zinc oxide
(b) Lead oxide
(c) Silver oxide
(d) Magnesium oxide​

Answer 1

Answer:

magnesiumn oxide

Explanation:

abcdefghijklmnop

Answer 2

Answer:

B)

Explanation:

Lead oxide

when PbCO3 is thermal decomposed it makes CO2 and Pb0