methane
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).
Methane gas is produced as a byproduct of the decomposition of organic matter in landfills and flooded rice paddies. Methane is a potent greenhouse gas that contributes to climate change.
When sodium carbonate (Na2CO3) decomposes, it forms sodium oxide (Na2O) and carbon dioxide (CO2) gas as byproducts.
Another name for hay gas is methane. It is produced when organic matter such as hay decomposes in the absence of oxygen.
When potassium bromate is heated, it decomposes into potassium bromide and oxygen gas. This reaction is a decomposition reaction, where a single compound breaks down into two or more simpler substances.
The gas formed when calcium carbonate decomposes is carbon dioxide (CO2).
When CaCO3 (calcium carbonate) is heated, it decomposes to form CaO (calcium oxide) and CO2 (carbon dioxide) gas is released.
Hydrogen peroxide decomposes to hydrogen and oxygen in the gas phase.
When hydrogen peroxide decomposes, it forms water and oxygen gas as products.
When hydrogen peroxide decomposes, it breaks down into water and oxygen gas.
Ammonia gas and carbon dioxide gas are given off when ammonium carbonate decomposes.