1.3物质的溶解性—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：较易<br>关于溶解度说法正确的是( )<br>A.硝酸钾的溶解度为222g<br>B.溶解度随温度升高而增大<br>C.难溶物质的溶解度为零<br>D.溶解度可以定量表示物质溶解性的大小<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/d1c4c3c33edb44fe94d53608d44d2997/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/d9305b086afc430491486f5f77abed28/80D433C5E6A69181A9EACA8F4CB7F3D0.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>对“20℃时,硝酸钾溶解度为31.6g”这句话解释正确的是( )<br>A.20℃时,100g硝酸钾溶液中含有31.6g硝酸钾<br>B.在100g水中溶解31.6g硝酸钾就达到饱和状态<br>C.20℃时,100g水中最多能溶解31.6g硝酸钾<br>D.20℃时,溶解31.6g硝酸钾最多需要100g水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/737cf7ae086d4f18af917396c26d52d4/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/add756773871444cac03d7bcbd15cc94/7112745CD3ADC6EB51C1E680682696E0.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>影响固体物质溶解度大小的因素有( )<br>①溶质的性质②温度③压强④溶质的质量⑤溶剂的性质⑥溶解时是否搅拌或振荡⑦固体物质的颗粒大小A.①②⑤ B.①②③ C.①④⑥ D.②⑥⑦<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/01caec1be690494abf17934988412023/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/d62352d670e34248af415d0b1fab622e/1150CB3998F023687FD2A85A5169E607.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>夏季,鱼虾养殖池内常设置一些水泵,把水喷向空中,从化学角度分析,喷水的目的是( )<br>A.降低养殖池内水的温度<br>B.增大与空气的接触面积,便于氧气溶解<br>C.增加观赏性<br>D.便于太阳照射,杀灭水中的病菌<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/2214507a68bb4f9c8f3be74af1ce3b2e/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/aa6b364beab1446bba18d05f87c43a19/1A575D58427F461DD07231A4AAC65456.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列生活中的现象,与原溶质溶解性无关的是( )<br>A.揭开啤酒瓶盖,有大量气泡溢出<br>B.盛石灰水的瓶口有一层白膜<br>C.烧开水时,沸腾前有大量气泡<br>D.咸菜长期放置在空气中,表面有一层“白霜”<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/dcab96707697458590aabb17a170557c/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/a308bd248a6f43568a238942fbc134a7/25346935C964A89766A604051B9FA4E7.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>20℃时,将36g氯化钠放入64g水中,使其充分溶解(20℃时氯化钠的溶解度为36g)。下列有关所得溶液的说法错误的是( )<br>A.该溶液是饱和溶液<br>B.溶液中<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/4/CE179713EBF4F940C0DA0FBEA9475D85.png"><br>和<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/4/2DD27CAECEF2DAEAFF871C5E8480CFDD.png"><br>的个数一定相等<br>C.溶液质量为100g<br>D.溶质与溶剂的质量比为9:25<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/00486a8e306442b89d1854c3f5fa438a/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/67919ee6faed45c0bf3636d7e4a18078/14536088B0A3B414919CFDA75F54675A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/1/5/490D2448912FDAA82DEDD28BCF750A33.png"><br>和KCl两种固体的溶解度曲线如图所示。下列说法不正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/5/6BC96B76D9D67A93B9313FBEBC1F69F7.png"><br>A.在t°C时,<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/5/490D2448912FDAA82DEDD28BCF750A33.png"><br>和KCI的溶解度相等<br>B.常温下(20°C),<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/5/490D2448912FDAA82DEDD28BCF750A33.png"><br>和KCl都是易溶物质<br>C.60°C时50g<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/5/490D2448912FDAA82DEDD28BCF750A33.png"><br>溶于50g水中恰好形成100g.<img src="https://picture2.zhihuicn.com/testImage/2/2021/1/5/490D2448912FDAA82DEDD28BCF750A33.png"><br>饱和溶液<br>D.分离混有少量氯化钾的硝酸钾时可采用冷却热饱和溶液的方法<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/913d6975c51942f580738ac9b5033357/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/52380be1f56a40c7b67eaa1e9860e9be/AD3A4110BFABE2801BAF1A355678B291.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>X、Y、Z三种物质的溶解度曲线如图所示,下列说法正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/25/DF852F2A406494B00C0BD950AD29529C.png"><br>A.Y的溶解度为50g<br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/25/1C0EA8B44E777689813A269C9074933B.png"><br>℃时,X、Y两种物质溶解度相等<br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/25/17C4ED76BE254D134DE27FD0983A4897.png"><br>℃时,三种物质的溶解度由大到小的顺序是Y>X>Z<br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/25/1C0EA8B44E777689813A269C9074933B.png"><br>℃时,50g<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/25/AA5DD1505F1D7A06A012CABC988FF45C.png"><br>与50gX混合,可得到100gX的饱和溶液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/1fa8f05c24ab4f7ba06fdb48bf0e4d5d/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/d98e1add71644430b5b584ac3e6b7964/E3FDCEB0B2A9A4B789CA37407D79FB40.png"><br><br>
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