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anhydride




A chemical compound derived from another compound by dehydration (i.e., removing water). Most inorganic anhydrides are soluble oxides which dissolve in water to give alkalis or oxy-acids. Thus, sulfur trioxide (SO3) is the anhydride of sulfuric acid (H2SO4). See also acid anhydride.


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   • INORGANIC CHEMISTRY
   • ORGANIC CHEMISTRY