、水玻璃在空气中硬化很慢，通常要加入促硬剂（）才能正常硬化。 -题库考试答案搜索网

、水玻璃在空气中硬化很慢，通常要加入促硬剂（）才能正常硬化。

单选题

2021-07-17 23:33

A、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px">NaOH</span>
B、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px">Na</span><sub><span style=";font-family:微软雅黑;font-size:15px;vertical-align:sub">2</span></sub><span style=";font-family:微软雅黑;font-size:15px">SO</span><sub><span style=";font-family:微软雅黑;font-size:15px;vertical-align:sub">4</span></sub>
C、<span style="font-family:Tahoma;font-size:15px"> </span><span style=";font-family:微软雅黑;font-size:15px">NaHSO</span><sub><span style=";font-family:微软雅黑;font-size:15px;vertical-align:sub">4</span></sub>
D、<span style=";font-family:微软雅黑;font-size:15px">Na</span><sub><span style=";font-family:微软雅黑;font-size:15px;vertical-align:sub">2</span></sub><span style=";font-family:微软雅黑;font-size:15px">SiF</span><sub><span style=";font-family:微软雅黑;font-size:15px;vertical-align:sub">6</span></sub>

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正确答案

D

试题解析

标签：道路桥梁与渡河工程专升本土木工程材料 19级补考 2020年第二学期补考期末考试

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