下列对一些常见物质的性质与其对应用途的解释不合理的是
侯英超 |
发布日期：2010-06-14 05:12:11
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下列对一些常见物质的性质与其对应用途的解释不合理的是 A、氮气常用作保护气，是因为氮气的化学性质很稳定 B、石墨在工业上常用来作电极，是因为石墨具有导电性 C、医院抢救危重病人，常常要输入氧气，这是因为氧气能供给呼吸 D、水厂进行水的净化时，一般都要用到活性炭，这是因为活性炭能杀菌消毒 |
