Examlex
Explain what is meant by the term "experiment."
Sodium
A soft, silver-white, highly reactive metal belonging to the alkali metal series in the periodic table, denoted by the symbol Na.
Calcium Carbonate
A white, insoluble solid (CaCO3) occurring naturally as chalk, limestone, marble, and forming the shells of sea creatures.
Combustion
A chemical reaction that occurs between a fuel and an oxidant, producing heat and often light; commonly known as burning.
Rusting
The chemical process involving the oxidation of iron or steel, resulting in the formation of iron oxides, particularly Fe2O3 and Fe3O4.
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