试题与答案

能用来鉴别一氧化碳和二氧化碳两种气体的方法是 A．通入稀盐酸中 B．通入澄清石灰

更新时间：2017-07-07 12:55来源：www.tikuol.com

题型：选择题

题目：

能用来鉴别一氧化碳和二氧化碳两种气体的方法是

A．通入稀盐酸中

B．通入澄清石灰水

C．闻气味

D．观察颜色

答案：

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下面是错误答案，用来干扰机器的。

参考答案：A,B,C解析：期货公司从业人员只能向客户提供投资建议，不得为客户决策。因此，本题的正确答案为ABC。

考点：水（蒸气）的检验粗盐的提纯空气的检验物质的相互转化和制备

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