Metallic oxides would not normally decompose as such. Most can be smelted with some form of carbon, in which case carbon monoxide or carbon dioxide is formed.
When copper carbonate decomposes, it produces carbon dioxide gas along with copper oxide as a residue.
When zinc carbonate decomposes, it produces zinc oxide (ZnO) as a solid along with carbon dioxide gas (CO2).
When ultraviolet radiation decomposes chlorinated hydrocarbons, such as chlorofluorocarbons (CFCs), the gas formed is typically chlorine gas (Cl2). This process is known as photodissociation, where the high-energy UV radiation breaks the carbon-chlorine bonds in the hydrocarbon, releasing chlorine gas as a byproduct. Chlorine gas is a highly reactive and toxic substance that can have detrimental effects on the environment and human health.
with water aswell it would become copper carbonate
The decomposition reaction is:MgCO3 = MgO + CO2
quicklime (calcium oxide) is formed when calcium carbonate decomposes, as well as releasing carbon dioxide
When copper sulfate is heated, it decomposes to form copper oxide and sulfur dioxide gas.
When heated, metallic chlorate decomposes into metal chloride and oxygen gas. The metal chloride is usually a solid while the oxygen gas is released as a byproduct.
Heating can decompose mercuric oxide into mercury and oxygen gas.
Carbon dioxide is a covalent oxide, specifically a non-metallic oxide. It is formed by the combination of carbon and oxygen atoms, and primarily exists as a gas at room temperature.
Decomposition reactions involving metallic carbonates commonly produce metal oxides and carbon dioxide as products. The metal oxide is formed when the metal element combines with oxygen, while carbon dioxide is released when the carbonate ion decomposes. This reaction is typically observed when heating the carbonate compound.
MgCO3 --> MgO + CO2(g) Magnesium oxide and gaseous carbon dioxide
When copper carbonate decomposes, it produces carbon dioxide gas along with copper oxide as a residue.
The combustion of silver oxide produces silver metal and oxygen gas. The chemical equation for this reaction is: 2Ag2O(s) → 4Ag(s) + O2(g). This is a redox reaction where silver oxide is reduced to silver metal and oxygen is oxidized to form oxygen gas.
Experimentally to prove that, capture the gas and pass it through lime water. If the lime water turns milky then the gas is CO2 . Or an example of equation for decomposition of a metal carbonate is :- MgCO3 + heat ------> MgO + CO2
When mercuric oxide is heated, it changes from red to yellow as it decomposes into mercury and oxygen gas.
Mercuric oxide decomposes upon heating to give off mercury and oxygen.