3.1溶液的形成—2021-2022学年化学鲁教版九年级上册随堂小测
※题型：单选题※知识点：单选题※试题难度：容易<br>下列物质在水中溶解时,溶液温度没有明显改变的是( )<br>A.NaOH<br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/8/571745824385325B9CFE8434F9FC8475.png"><br>C.CaO<br>D.NaCl<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/85a595b73ee04d3eb00653e5a3863af1/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/ca3562b6c6ff4f6b8826b7287a62b8f1/A57B4BB78B196D478E0DF752CABC0B39.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列各组固体物质只用水不能区分的是( )<br>A.氢氧化钠和氯化钠 B.硝酸铵和氯化钠<br>C.碳酸钙和氯化钙 D.氯化钠和蔗糖<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/241ec7bd2b0c4af388d7d21452d199eb/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/fd67b689121e4daeb2c710d3366360cd/63BC6C1BEFD8E145FE0910E3930E4249.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列关于溶液的说法:①无色;②混合物;③化合物;④均;⑤稳定;⑥各部分性质相同。其中正确的是( )<br>A.①③④⑤ B.②④⑤⑥ C.①②④⑤ D.①③⑤⑥<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/b685a6b500e1492a8a5bc8a5ade65d5d/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/9cc64d8eb1b9421d834e5c4c527e2f21/5F4A8DD614394718A58703B79762048B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>下列物质分别加入适量水中,充分搅拌,能够得到溶液的是( )<br>A.食盐 B.花生油 C.面粉 D.冰块<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/8219f9ffb9fd4227b13791aa67733b0e/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/002aa84595b046fb9586f9548ed59795/02E602C6B20C3F5AF53533C6516F6B63.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>下列溶液中,溶剂是酒精的是( )<br>A.蔗糖溶液 B.酒精溶液 C.碘酒 D.氯化钠溶液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/ff65f61e910144d1a5cf5ae132c39d61/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/5f619985c2e64f41b9e5f5880cf5866d/521F4B4A8ACF637C3E3553343392F6B5.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<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.①②③ D.②④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/a25a10451bfb470bb4d2285ae7411ffe/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/bb2244ba90764cfa889a8c7d252e3db1/0EAC6BF321C1D841054923A8E362D750.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>沾有油渍的衣物放入洗衣机中,加入水和洗涤剂,搅拌搓洗,最终除去油污的理由是( )<br>A.加入洗涤剂后,让油滴溶于水<br>B.加入洗涤剂后,让油滴聚集,上浮分层<br>C.加入洗涤剂后,让油滴分散,稳定地乳化在水中<br>D.加入洗涤剂后,让油滴密度增大,下沉分层<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/c879ef44e8b4450aa637ed78c99dc3d7/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/54ff099a16d54c8ea2878575ec678475/088568A5C531EAE2575F29EEA663F164.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列清洗方法利用乳化作用的是( )<br>A.用汽油除去衣服上的油污<br>B.用水洗去盘子上的水果渣<br>C.用醋洗去水壶中的水垢<br>D.用洗洁精清洗餐具上的油污<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/7fc5f01d8d9f4f818dbe50649fbb140a/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/96314087e4f94c68b3f1dc05f4783450/3B436D658CC8487A593C5DB06E1570EC.png"><br><br>
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