Question

What happens when mercuric oxide is subjected to
heating?​

Answer 1

Answer:

Mercury(II) oxide, a red solid, decomposes when heated to produce mercury and oxygen gas. ... A reaction is also considered to be a decomposition reaction even when one or more of the products are still compounds. A metal carbonate decomposes into a metal oxide and carbon dioxide gas.

Answer 2

Explanation:

Answer. Mercury(II) oxide, a red solid, decomposes when heated to produce mercury and oxygen gas. A reaction is also considered to be a decomposition reaction even when one or more of the products are still compounds. A metal carbonate decomposes into a metal oxide and carbon dioxide gas.