[题目]下列常见的物质中.不代表同一种物质的是( ).A．氯化钠.盐 B．氢氧化钠.苛性钠C．碳酸钠.纯碱 D．碳酸氢钠.小苏打题目和参考答案——青夏教育精英家教网—

题目内容

【题目】下列常见的物质中，不代表同一种物质的是( )。

A．氯化钠、盐 B．氢氧化钠、苛性钠

C．碳酸钠、纯碱 D．碳酸氢钠、小苏打

【答案】A

【解析】

试题分析：氯化钠的俗称为食盐，选项中的盐是指一类物质。二者不代表同一种物质

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