河北省邯郸市大名县2020届九年级上学期期中教学质量检测化学试卷
※题型：单选题※知识点：单选题※试题难度：较易<br>下列变化中属于化学变化的是( )<br>A.把湿的衣服晒干 B.把水壶内水垢用食醋洗去<br>C.把石蜡加热熔化 D.把棉线织成布<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/9853a36fe0db42b282c398e89035d03c/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/9694af347f75497bb579aaae9711312e/0B6AA5A98A64304B5CF5AB23710782E1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>“生命因我而充满活力,烟花因我而绚丽多彩。”其中的“我”是指( )<br>A.氧气 B.氮气 C.氢气 D.二氧化碳<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/ef9106a75b684e32b03eefa7acd87f26/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/10145bd14bd5418689dde4908992deba/E0EB60A03D946FDB30CEA4ACA38F4F4A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>学习化学我们要经常做实验。下列实验操作正确的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/25B819E70B2DEA448F6EBF7F9A4E6049.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/CD79CA97E036C146E0E22D8E5DFCAE7F.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/3CBED720FD51146FB86262763364AA5E.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/86C6CFCB1F693ED4001B3E9C679E4BB6.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/3a9cfa03c5804bfc8d357d78e7c7c283/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/86c73d4a3960414e81204c7e90f3006b/CF20BE11B47C05D2DB4DC6ADE04C29D1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：容易<br>生活中常见物质属于纯净物的是( )<br>A.食盐 B.膨化食品袋中填充的氮气<br>C.料酒 D.矿泉水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/7e6f81fec1fa499cb4a000861907c592/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/35e49bcdef3b4e65b6192f94ad3a4b0f/3BE0FF49FD132E2C93969F5995E2891E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列物质的用途中主要利用其化学性质的是( )<br>A.铜用于制作导线<br>B.汽油用于衣物除油<br>C.钨丝作为白炽灯的灯丝<br>D.灯泡中充氮气以延长使用寿命<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/d8a17ab84a334b02a5a1dd83ca32ec65/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/53a71e88d2414ebbbed69e4a91ef915b/AC339F7062FC77F2AB47B9490292D8EB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列化学用语表示正确的是( )<br>A.铜离子 :<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/52704BD52C6E89BCF6E037D60D9D32F3.png"><br>B.氯元素:CL<br>C.保持水的化学性质的微粒是分子:<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/AA5DD1505F1D7A06A012CABC988FF45C.png"><br>D.镁离子:<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/03AB9FD1E3B568D4988778DCFD15465E.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/941b5bc15b87454ca3b71f3d209f0fd5/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/0d0599e475ef45cc864837eae94a3bc9/A731FA762C2D02B6C6A901361FF74421.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列方框中,能表示<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/FA17D74DB309B28CDB3CDDF844DB126D.png"><br>意义的示意图是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/9C8E6ADA3ADF1E48C2FCFE0E9B58016A.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/AEB56691C3DADCE26C29672F8F49F256.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/941BB34345187FCD0DC95E074F081420.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/A9A832E6B1DD0173F1C41EF7949CD159.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/7985b120bff64ca98ab25e0f600cc73e/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/18660b50b66448b280d40b63fab5d9e6/3C316F74DACF4116890D1BCD49FC6FDB.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列反应属于化合反应的是( )<br>A.乙炔+氧气<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/F4FB185BBE36BBD031B5C577581DDAFF.png"><br>二氧化碳+水<br>B.氯酸钾<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/16CBC94165D6A5B140378D9FD38C6EDD.png"><br>氯化钾+氧气<br>C.氢氧化钙+二氧化碳<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/5E654A2F5A01891C0FBAAA23E2E072C0.png"><br>碳酸钙+水<br>D.镁+氧气<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/F4FB185BBE36BBD031B5C577581DDAFF.png"><br>氧化镁<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/a31395bb70c64f54ae7106b92252e1d8/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/12983eefb47146d7bbc3a94dfacbf930/5B1A991C3ABD0FD6D7CC48877AFA3A35.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列有关催化剂的说法正确的是( )<br>A.在化学反应后其质量减小<br>B.在化学反应后其质量增加<br>C.催化剂能改变化学反应速率<br>D.在化学反应后其化学性质发生了改变<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/22449cdd921d4ab2a1119bb01ce58ea3/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/03bc4a42b27344e2a3d50bfd3201f2c2/F69EB27E6B058528B3CF5C89640A32A1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>近两年广泛流传一个民生热同:“舌尖上的安全”。下列做法符合食品安全要求的是( )<br>A.用霉变的油菜籽生产食用油<br>B.在猪词料中加入瘦肉精<br>C.制作面包时,加入少量小苏打<br>D.用工业酒精勾兑饮用白酒<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/1205b71844144db6bbebf3be1a609e19/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/fd299d68ff9148d7a6fd6996acf68633/F33CEED10801C8EBCD62FFFD2293BEE5.png"><br><br>※题型：问答题※知识点：问答题※试题难度：较易<br>在化学实验中<br>要规范使用各类仪器:<br>1.向酒精灯里添加酒精,不可超过酒精灯容积的______。<br>2.给试管中的液体加热时,应使用试管夹,夹在距试管口______处,试管里液体的体积不能超过试管容积的______,试管要与桌面大约成______角,试管口不能对着自己或他人。3.用试管刷刷洗试管时,用力过猛:______。4.滴管取用试剂后平放或倒置:______。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/218eb276d3374a01908594819dc637dd/B1544390BB013839337A4FF400CF6307.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/5f6406c13a734b8da744e45b40d183c7/C587E7F51EF24582245BE58A35C26D55.png"><br><br>※题型：填空题※知识点：填空题※试题难度：较易<br>建立宏观与微观之间的联系<br>是化学学科特有的思维方式。请回答相关问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/0EE318E90F3832B77CA2CD3B263D31D0.png"><br>如上图所示是元素周期表的一部分<br>图<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/8D749DF327A2840E19C06FACD8BB668C.png"><br>表示图中<br>______<br>处元素的原子结构示意图<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/75C7173ABC6350BA9AC7E74E55991157.png"><br>填序号<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/111662C96060001758BF64C1D2BB906E.png"><br>在化学反应中该原子易<br>______<br>电子<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/75C7173ABC6350BA9AC7E74E55991157.png"><br>填<br>“<br>得到<br>”<br>或<br>“<br>失去<br>”<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/111662C96060001758BF64C1D2BB906E.png"><br>显<br>______<br>价。图<br>①<br>、<br>②<br>、<br>④<br>三处元素中<br>与<br>③<br>处元素属于同一周期的是<br>______<br>(填序号)。<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/9caf1fc819984d0687838ffa512d305c/82AF8D8B8CA9AA314AA6B5B9E9A4057A.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/9a59440cc2534381b8887ed366a0c336/897C13062DCB0D7EFD2BC8D9F2B719B6.png"><br><br>※题型：问答题※知识点：问答题※试题难度：中等<br>某反应前后分子变化的微观示意图如下。根据示意图回答下列问题<br>:<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/925709A2A424374802CD2418D4ED89D2.png"><br>1.该反应属于_____________反应(填基本反应类型);<br>2.生成物属于__________(填“纯净物”或“混合物”);3.图示<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/2662BFAC78A03A653CD24D5F700C3669.png"><br>表示的物质中元素化合价为___________。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/d33906f15e8a4eb6a3622c94af5270b0/A37EFB69E3AE14518CD93A66C1424C9C.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/313e71702d7448729031c15cb1ed19b9/C2F29A198F1BDB68EF8BEB9E1DEA5186.png"><br><br>※题型：问答题※知识点：问答题※试题难度：中等<br>某兴趣<br>小组在实验室模拟水厂将浑浊的湘江水净化成自来水,并最终制成蒸馏水,其实验流程如下图所示:<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/4C49928AB70403B5DA95A67AB4DB8873.png"><br>请回答下列问题:<br>1.加入明矾的作用是______;操作1的名称是______。<br>2.利用如图所示的装置进行操作2,此操作的作用是_____待处理的水应该从____端通入(填“a”或“b”),理由是_________。<img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/C21F22629F980091516E064CC50AFCF9.png"><br>3.取少量的液体D于试管中,滴入肥皂水振荡,发现有较多的浮渣产生,说明此液体为_____(填“软水”或“硬水”),生活中常用_____的方法软化硬水。4.通过操作3可以得到净化程度较高的蒸馏水,操作3的名称是____。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/5f9d3b164f7d46a0a38983d9d674bcbb/E054B1C0BF85D7DD624F9DE25821924D.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/52329a41709449e7a35f3cae9032d96b/AADAD425F8FC2E50C2F0DC13B34F8F5C.png"><br><br>※题型：计算题※知识点：计算题※试题难度：中等<br>钠摄入<br>过量或钾摄入<br>不足都是导致高血压的风险因素。日常生活中选择食用低钠盐能<br>实现减钠补钾<br>,如图为某品牌低钠盐的标签,请你根据标签回答以下问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2021/3/10/22D2AC78DEE54D938F56B592F558034C.png"><br>1.氯化钠的相对分子质量为_____<br>2.氯化钠中Na、Cl两种元素的质量比_____3.人体每天摄入钠元素的质量不宜超过2.3g。如果人体所需的钠元素全部来自该品牌食盐,那么一个人每天摄入该品牌低钠盐的质量不宜超过多少克?_____(结果碘保留一位小数)<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/bfe7f27aaeb34d9380bd7d7edc083640/CBF9B51782DA4C04DDAE4B3418B9F61F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/f9a113d842394a63852da9f6e30cc2f7/2211848EE975932CF43C49B5BF650D35.png"><br><br>
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