| http://www.w3.org/ns/prov#value | - mpounds having a basic oxygen atom are inorganic bases such as the hydroxides of the alkali metal and the alkaline-earth metals and ammonium hydroxide, including sodium hydroxide, potassium hydroxide, lithium hydroxide, calciumhydroxide and magnesium hydroxide, as well as the basic metallic oxides, for example zinc oxide and lanthanum oxide; and the alkali metal salts and alkaline-earth metal salt
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