An oxide of a nonmetal thatreacts with water to produce an acid orwith a base to produce a salt and water.Forexample,sulfur(Ⅵ) oxide ( sulfur trioxide)reacts with water to form sulfuric(Ⅵ)acid:SO3 +H2O →H2SO4and with sodium hydroxide to produce so-dium su......(本文共 404 字) [阅读本文] >>