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What happens when calcium is heated in air?
When calcium is heated in air, it reacts with oxygen to form calcium oxide (quicklime) and calcium nitride. The reaction is exothermic, producing a bright orange-red flame. Calcium oxide is a white solid while calcium nitride is a black solid.
When calcium is exposed to air what happens?
When calcium is exposed to air, it reacts with the oxygen in the air to form calcium oxide. This reaction produces a layer of white calcium oxide on the surface of the calcium metal, which is commonly known as calcium oxide or quicklime. This layer of calcium oxide can help protect the underlying calcium from further oxidation.
What is produced when copper sulphide is heated in the air?
When copper sulfide is heated in the air, it is oxidized to form copper oxide (CuO) and sulfur dioxide (SO2) gas.
What happens when anhydrous calcium chloride is exposure to air?
Anhydrous calcium chloride will absorb moisture from the air, forming a hydrated form of calcium chloride. This process is known as hygroscopicity. It will eventually dissolve in the absorbed water to form a solution.
What happens when ZnCO3 is heated in the absence of air?
When ZnCO3 is heated in the absence of air, it undergoes thermal decomposition. This results in the formation of zinc oxide (ZnO) and the release of carbon dioxide gas (CO2).
