周测(七)生活中常见的盐 ——2021—2022学年人教版九年级化学下册
※题型:单选题※知识点:单选题※试题难度:较易<br>下列关于碳酸钙的说法错误的是( )<br>A.大理石的主要成分是碳酸钙<br>B.实验室常用大理石与稀硫酸反应制取<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/11/7002435560602C62060BA723DC55D86C.png"><br>C.碳酸钙可用作补钙剂<br>D.石灰浆粉刷墙壁,“出汗”后变成碳酸钙<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/01981595371d441cb478014152182057/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/c7c293f9893e4366a1091f6d72be03d8/8EF1DC0EEEBCD6D3D0D7B3744C936496.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>鱼胆中含有胆汁酸(一种酸),它味苦,难溶于水。家庭做鱼的时候,不小心将鱼胆弄破后,会使鱼肉粘上胆汁酸,使鱼肉变苦。为消除这种苦味,用来清洗的最佳物质是( )<br>A.食盐水 B.食醋 C.纯碱溶液 D.NaOH溶液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/61de1136200b44159417689e1161ff5a/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/7a098db373564f5babdaf9df4b8b6fd1/730614255F176FEE1D2502DFFFBBFA91.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下列物质的名称(或俗名)化学式和类别,三者不完全相符的是( )<br>A.硫酸、<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/11/5B8A0DA17C2201985CAAC04144C22122.png"><br>、酸<br>B.纯碱、NaOH、碱<br>C.生石灰、CaO、氧化物<br>D.硫酸铜、<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/11/53DCB02F2927495D25664D94F91F97E6.png"><br>、盐<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/cd904d57c36c43619fa38b5702ba354e/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/0b8b273c812b4a69ae4a7826543b995c/051A534DBC404C198088F54DC4B2068F.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>欲除去热水瓶胆内壁附着的水垢(主要成分是碳酸钙),可采用的办法是( )<br>A.加热 B.用砂纸擦洗 C.加食醋浸洗 D.用水洗<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/e91e55d21c6041a68396a88131f1be6e/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/74ebfd2f9b194b5f970a738f19370922/D5E5260C52B8BE967F08EB17ABFED843.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>鉴别失去标签的碳酸钠溶液和氢氧化钠溶液,下列试剂不可用的是( )<br>A.澄清石灰水 B.稀盐酸<br>C.氯化钙溶液 D.无色酚酞溶液<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/a483bcbd3da44287b2cedd8d04d49b99/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/f26f23523b7c40338285e9e3861ab678/5ED4BBF413ECC8C4537ADFCB9C61D56F.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>某溶液里滴入氯化钡溶液后产生不溶于稀硝酸的白色沉淀,则此白色沉淀( )<br>A.一定是硫酸钡 B.一定是碳酸钡<br>C.一定是氯化银 D.可能是硫酸钡或氯化银<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/a6d33b2d00b041039073f08d50b1a314/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/acaabd393ce74d5c90d3978e5a0cfe6d/31FED78BB6496933EEC1DAA3BC08BEA0.png"><br><br>※题型:问答题※知识点:问答题※试题难度:中等<br>食盐、食醋、小苏打、碳酸钙都是生活中常见的物质。<br>1.为使蛋糕更松软,焙制时加入适量的________________。<br>2.下列属于化学变化的是________________(填序号)。A.海水晾晒得到海盐B.粮食经微生物发酵酿造食醋C.切割打磨大理石制成建筑材料<br>3.为防止缺钙导致骨质疏松,可以服用含_______的药片。<br>4.可以服用含小苏打的药物治疗胃酸过多,其原理用化学方程式表示为_______。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/51dd5bd11d774fddaa5c15a699a586e9/19AC893475EA62463BA592EC13DB131E.png"><br>解析<br>略<br>※题型:问答题※知识点:问答题※试题难度:中等<br>将化学物质进行合理分类是研究物质及其变化的常用方法。<br>1.以下物质的分类对于预测其化学性质没有帮助的是___________________(填标号)。A.二氧化硫属于非金属氧化物B.锌属于“氢前金属C.氢氧化锰属于白色固体D.硫酸亚铁属于硫酸盐2.碳酸锂<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/11/42931167E845684798668048D975C774.png"><br>广泛应用于陶瓷和医药等领域,是一种微溶于水的白色固体。结合所学知识预测,<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/11/D72070A26C44ED441DF21B579FC314C2.png"><br>能与___________________(填物质类别)反应,验证预测的实验操作与预期现象是:取<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/11/D72070A26C44ED441DF21B579FC314C2.png"><br>固体于试管中,___________________。3.依据各类物质之间的反应规律,设计两种制备<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/11/D72070A26C44ED441DF21B579FC314C2.png"><br>的方案(要求依据两种不同的反应规律)完成下表:<br><tbody><br>方案<br>原料1<br>原料2<br>预期反应的化学方程式<br>依据的反应规律<br>①<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/12/11/797E36B18CF8AF867C8930C4C89FABDA.png"><br>溶液<br>_________________<br>____________________<br>两种盐反应生成两种新盐,生成物中有沉淀<br>②<br> __________________<br>____________________<br>__________________<br> _________________<br></tbody><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/3bbf99e28fe94926944a74be591c55f2/97E55D3246EF84001682E950185E7A56.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/ed15bde47d6f49baad0b43187c4f715b/F5DB0C998D968136FB44425877BD0091.png"><br><br>
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