| 化学事实 | 类推结论 |
\(\rm{A}\) | \(\rm{pH=3}\)的盐酸稀释\(\rm{1000}\)倍后\(\rm{pH=6}\) | \(\rm{pH=6}\)的盐酸稀释\(\rm{1000}\)倍后\(\rm{pH=9}\) |
\(\rm{B}\) | 用电解熔融\(\rm{MgCl_{2}}\)可制得金属镁 | 用电解熔融\(\rm{NaCl}\)也可以制取金属钠 |
\(\rm{C}\) | 将\(\rm{CO_{2}}\)通入\(\rm{Ba(NO_{3})_{2}}\)溶液中无沉淀生成 | 将\(\rm{SO_{2}}\)通入\(\rm{Ba(NO_{3})_{2}}\)溶液中也无沉淀生成 |
\(\rm{D}\) | \(\rm{Al}\)与\(\rm{S}\)加热时直接化合生成\(\rm{Al_{2}S_{3}}\) | \(\rm{Fe}\)与\(\rm{S}\)加热时也能直接化合生成\(\rm{Fe_{2}S_{3}}\) |