1.1溶液的组成—2021-2022学年化学鲁教版（五四制）九年级全一册随堂小测
※题型：单选题※知识点：单选题※试题难度：容易<br>在“停课不停学”期间,小兰通过网课学习了溶液的形成后,将少量下列物质分别放入水中并充分搅拌,其中不能形成溶液的是( )<br>A.白砂糖 B.食盐 C.高锰酸钾 D.植物油<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/f8f30786c3514b0e930f9b2ea7904394/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/1c07cbf9fee245b48c154232945a3a26/48BBB653381C5B87C83135F58C0BFAD8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>现有一接近饱和的溶液,下列方法中一定能使其成为饱和溶液的是( )<br>①蒸发溶剂②增加溶质③降低温度④加热升温A.只有①② B.只有②③ C.②③ D.①②④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/b1091c3959a345deb4f066641b52f6c3/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/b1a53a46a81349e49fa6d9d9015fa0ea/70422774CF156BB6A81808D30342B5FE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列关于溶液的说法正确的是( )<br>A.溶液都是无色的<br>B.冰水混合物不属于溶液<br>C.溶质一定是固体<br>D.均一的、稳定的液体叫作溶液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/df2d9a81e8134519a76665294141c284/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/de5678cf9e1748888f4452ef8a11cf2b/3115C32751BFCC9F5044B55068EE730D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>小乐同学欲使不饱和硝酸钾溶液变成饱和硝酸钾溶液但不改变其浓度,正确的方法是( )<br>A.加热蒸发溶剂后再降至原温度<br>B.加入一定量的硝酸钾<br>C.降温后使其析出部分晶体<br>D.降温至溶液刚好达到饱和<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/1eb0efdc40764e06b7d15c2b0b3d388d/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/b7f1229ce7994e8ab0cfb3a6c56f1901/F5D26BBCC2E6147359236649E0A4952A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>如图是小博进行的物质分离的相关实验。他将热的硫酸铜溶液(如图甲),静置一段时间后,变成如图乙。下列说法正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/8/32FA6F5881E944E00FE841365A4AF5D3.png"><br>A.甲一定是不饱和溶液 B.甲一定是饱和溶液<br>C.乙一定是不饱和溶液 D.乙一定是饱和溶液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/4025142fe74f4b74807d7aa3944018e8/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/069c9570c8b54413bd8058e021e1c5a0/E3805A587A8E15A26AFCEC0B55F4D3A2.png"><br><br>※题型：填空题※知识点：填空题※试题难度：容易<br>请举出符合下列要求的溶液。<br>1.溶质是固体,溶剂是液体:。<br>2.有颜色的溶液:。<br>3.溶质由离子构成的溶液:。<br>4.溶剂不是水的溶液:。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/78d11b0009b747b49343ad36e54bbd1f/0904A56FC90126C7F86157A5AA6E5F31.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/7dfc1073eea64d3f93e29cd866349b02/A8DE3D1E1D540E92CEC751C690C123CE.png"><br><br>
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