Na2O、NaOH、Na2CO3、NaCl、Na
2SO4可按某种标准划为同一类物质，下列
分类标准正确的是 （ ）
①钠的化合物 ②能与硝酸反应的物质
③可溶于水的物质 ④电
解质
⑤钠盐 ⑥钠的含氧化合物
| A．①③④⑤ | B．①②⑤⑥ | C．①③④ | D．②⑤⑥ |
相关试题
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