（3）运动的水分子—2021-2022学年化学鲁教版（五四制）八年级全一册同步课时作业
※题型：单选题※知识点：单选题※试题难度：容易<br>如图描述的是水发生某种变化的微观实质,其所描述的变化是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/394EF4DB45BD7D135E64438EF4FFC5D6.png"><br>A.液态水结冰 B.水的蒸发 C.水的分解 D.冰的融化<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/f759b6cc89e3431a830bf25ca74212f7/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/dfe55ca5a2cd4c61a8bae4701b334913/6891116F4F5A4B5A93726CB3217800D3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>提起压在容器中水面上方的活塞,容器中的水发生汽化,如图所示。下列选项中,最能表示水汽化后相同空间内粒子分布的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/B5C32F8903588F483208176160BFFB19.png"><br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/C908C49B5358DD6F2E4E4E39E56AD483.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/40993B96613074BD9B67BE80E03FD04B.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/75543A9FF341F5BDB8B02717849296CE.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/18/70971DC7B1B21CA019FCDAD67DBEA944.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/628213ec90cc4cb0b81bfb79991c0092/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/5aea74628d3d45e9a0bc528d12c05f07/8E6512D39DB21C202B953A8701F5036D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>一个氧分子(<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/11/43916A0CBDACF639905BC5CD89370C97.png"><br>)和一个二氧化碳分子(<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/11/7002435560602C62060BA723DC55D86C.png"><br>)中,含有一样多的是( )<br>A.元素的种类 B.氧原子的个数<br>C.氧分子的个数 D.碳原子的个数<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/8620bf850ec64d668783c1e4009bade8/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：较易<br>杜甫的绝句中写到“迟日江山丽,春风花草香”,诗中描写的情景用化学原理解释正确的是( )<br>A.分子很小,但分子有一定的质量<br>B.分子很小,但分子之间有间隔<br>C.分子很小,但分子在不停地运动着<br>D.分子很小,但分子是由原子构成的<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/1add3fb04b3f4534ba6d2247dc39cca9/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/31ae55e97b0f4ee689ba87219c275c4d/9F67695EDC049771E62CBAB4D7606CD3.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>航天员专用的小分子团水是由大分子团水形成的,具有饮用量少、在人体内储留时间长、排放量少等特点。航天员一次饮用125mL小分子团水,可维持人体6h正常需水量。下列关于小分子团水的说法中正确的是( )<br>A.由大分子团水制得小分子团水,是物理变化<br>B.小分子团水中水分子间没有间隔<br>C.小分子团水中水分子停止了运动<br>D.小分子团水的水分子体积变小了<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/d1d71bbaa090481081aab31297018d1c/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/859534e13c4945e5a2ce44e5611b83c6/69BB5667D3DBDDC3E8E911BD1FFCA120.png"><br><br>
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