admins 发表于 2021-8-18 20:00:11

2021-2022学年八年级全一册化学鲁教版（五四制）暑假提前学（1）化学真奇妙

※题型：单选题※知识点：单选题※试题难度：中等<br>化学变化的本质特征是(&nbsp;&nbsp;&nbsp;)<br>A.有新物质生成&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.发光发热<br>C.有气体生成&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.有沉淀生成<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/a6bd7ad9ff424e5389e1d459eff1ee6f/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/48af33734d344ab2a69a4b5a0618677c/822C9433D575357D3E33CE2F4731D0B4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>成语是中华文化的瑰宝。下列成语涉及化学变化的是(&nbsp;&nbsp;&nbsp;)<br>A.百炼成钢&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.滴水成冰&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.花香四溢&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.木已成舟<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/d9c6467feaaf4ba6911fe55e4210b729/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/9ddce5640cda4550a0a3a5fe617d2bf3/49339DA4339E7375713AB506DFE361B0.png"><br><br>
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