An oxide ofa nonmetal thatreacts with water to produce an acid or with abase to produce a salt and water. For exam-ple,sulfur(Ⅵ) oxide (sulfur trioxide) reactswith water to form sulfuric acid:SO3 +H2O→H2SO4and with sodium hydroxide to produce sodiumsulfat......(本文共 403 字) [阅读本文] >>