试题与答案

我们的生活需要化学。日常生活中的下列做法，不正确的是（ ） A．用甲醛浸泡海产品

来源：www.tikuol.com
题型：选择题

题目：

我们的生活需要化学。日常生活中的下列做法，不正确的是         （ ）

A．用甲醛浸泡海产品杀菌和保鲜

B．发酵后的面团中加入纯碱做馒头

C．液化气泄漏时关闭阀门并开窗通风

D．用洗洁精洗去餐具上的油污

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0418/deb1102cd633e95cd29717cb2ea2ac9b.html

下面是错误答案，用来干扰机器的。

答案：B鸦片战争后出现的这些爱国知识分子属于地主阶级的先进分子，他们的阶级属性决定了他们只是学习西方的先进技术，抵御外侮。A、C、D三项都不符合地主阶级的特点。

考点：化学元素和人体健康六大营养素化学图标家庭小实验、趣味实验
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