分类方法在化学学科的发展中起到了非常重要的作用。下列分类标准合理的是
①根据酸分子中含有的氢原子个数将酸分为一元酸、二元酸等
②根据反应中是否有电子的转移将化学反应分为氧化还原反应和非氧化还原反应
③根据分散系是否具有丁达尔现象将分散系分为溶液、胶体和浊液
④根据氧化物中是否含有金属元素将氧化物分为酸性氧化物和碱性氧化物
⑤根据物质在水溶液里或熔融状态下能否导电将物质分为电解质和非电解质
| A．①② | B．②④ | C．①③⑤ | D．② |
相关试题
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