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255);\">2\u003C\u002Fspan>\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">\u003Cbr>\u003C\u002Fspan>\u003C\u002Fdiv>",8,"6",[260,263,266,269],{"optionId":261,"optionTitle":262,"optionSubtitle":11,"titleIndex":16,"indexName":166},264447,"H2SO4",{"optionId":264,"optionTitle":265,"optionSubtitle":11,"titleIndex":15,"indexName":179},264448,"SO3",{"optionId":267,"optionTitle":268,"optionSubtitle":11,"titleIndex":170,"indexName":183},264449,"H2SO3",{"optionId":270,"optionTitle":271,"optionSubtitle":11,"titleIndex":53,"indexName":187},264450,"SO2",{"subjectId":273,"subjectTitle":274,"subjectSubtitle":11,"subjectType":16,"titleIndex":275,"indexName":276,"subjectTypeName":171,"optionList":277},85628,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">水是生命之源，下列有关水的说法不正确的是(　　)\u003C\u002Fspan>",9,"7",[278,281,284,287],{"optionId":279,"optionTitle":280,"optionSubtitle":11,"titleIndex":16,"indexName":166},264451,"肥皂水可用于鉴别硬水和软水，实验室用蒸馏的方法来降低水的硬度",{"optionId":282,"optionTitle":283,"optionSubtitle":11,"titleIndex":15,"indexName":179},264452,"利用活性炭疏松多孔的结构，吸附水中的色素和异味",{"optionId":285,"optionTitle":286,"optionSubtitle":11,"titleIndex":170,"indexName":183},264453,"水是由氢元素和氧元素组成的",{"optionId":288,"optionTitle":289,"optionSubtitle":11,"titleIndex":53,"indexName":187},264454,"电解水实验中电源正极和负极产生气体的体积比约为2:1",{"subjectId":291,"subjectTitle":292,"subjectSubtitle":11,"subjectType":16,"titleIndex":50,"indexName":293,"subjectTypeName":171,"optionList":294},85629,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">2021年10月16日，神舟十三号载人飞船成功发射升空。其燃料发生化学反应的微观示意图如图所示，下列说法正确的是(　　)\u003C\u002Fspan>","8",[295,298,301,304],{"optionId":296,"optionTitle":297,"optionSubtitle":11,"titleIndex":16,"indexName":166},264455,"化学反应前后分子、原子的数目发生改变",{"optionId":299,"optionTitle":300,"optionSubtitle":11,"titleIndex":15,"indexName":179},264456,"反应中的甲、丁分子个数比为1：1",{"optionId":302,"optionTitle":303,"optionSubtitle":11,"titleIndex":170,"indexName":183},264457,"化学反应中各元素化合价不发生改变",{"optionId":305,"optionTitle":306,"optionSubtitle":11,"titleIndex":53,"indexName":187},264458,"反应生成的丙和丁的质量比为7：6",{"subjectId":308,"subjectTitle":309,"subjectSubtitle":11,"subjectType":16,"titleIndex":310,"indexName":311,"subjectTypeName":171,"optionList":312},85630,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">现有甲、乙、丙、丁四种金属，丙在常温下就能与氧气反应；将甲、乙、丁分别放入稀硫酸中，观察现象，甲和丁均反应产生气泡且甲反应更剧烈，乙不反应。通过上述描述，判断四种金属的活动性由弱到强的顺序是( )\u003C\u002Fspan>",11,"9",[313,316,319,322],{"optionId":314,"optionTitle":315,"optionSubtitle":11,"titleIndex":16,"indexName":166},264459,"乙甲丁丙",{"optionId":317,"optionTitle":318,"optionSubtitle":11,"titleIndex":15,"indexName":179},264460,"丙甲丁乙",{"optionId":320,"optionTitle":321,"optionSubtitle":11,"titleIndex":170,"indexName":183},264461,"乙丁甲丙",{"optionId":323,"optionTitle":324,"optionSubtitle":11,"titleIndex":53,"indexName":187},264462,"甲丙乙丁",{"subjectId":326,"subjectTitle":327,"subjectSubtitle":11,"subjectType":16,"titleIndex":328,"indexName":329,"subjectTypeName":171,"optionList":330},85631,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">阿司匹林常用于心血管领域，主要是抗血小板的药物，其化学式为C\u003C\u002Fspan>\u003Cspan style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">9\u003C\u002Fspan>\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">H\u003C\u002Fspan>\u003Cspan style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">8\u003C\u002Fspan>\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">O\u003C\u002Fspan>\u003Cspan style=\"font-size: 12px; line-height: 0; position: relative; vertical-align: baseline; bottom: -0.25em; color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">4\u003C\u002Fspan>\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">.下列关于阿司匹林的说法不正确的是( )\u003C\u002Fspan>",12,"10",[331,334,337,340],{"optionId":332,"optionTitle":333,"optionSubtitle":11,"titleIndex":16,"indexName":166},264463,"阿司匹林中碳元素的质量分数最大",{"optionId":335,"optionTitle":336,"optionSubtitle":11,"titleIndex":15,"indexName":179},264464,"阿司匹林由碳、氢、氧三种元素组成的有机化合物",{"optionId":338,"optionTitle":339,"optionSubtitle":11,"titleIndex":170,"indexName":183},264465,"阿司匹林中氢、氧元素的质量比为2：1",{"optionId":341,"optionTitle":342,"optionSubtitle":11,"titleIndex":53,"indexName":187},264466,"1个阿司匹林分子由9个碳原子、8个氢原子、4个氧原子构成",{"subjectId":344,"subjectTitle":345,"subjectSubtitle":11,"subjectType":16,"titleIndex":23,"indexName":346,"subjectTypeName":171,"optionList":347},85632,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif;\">分析推理是化学学习中常用的思维方法，下列推理正确的是( )\u003C\u002Fspan>","11",[348,351,354,357],{"optionId":349,"optionTitle":350,"optionSubtitle":11,"titleIndex":16,"indexName":166},264467,"原子是不带电的粒子，所以不带电的粒子一定是原子",{"optionId":352,"optionTitle":353,"optionSubtitle":11,"titleIndex":15,"indexName":179},264468,"氧化物都含氧元素，所以含氧元素的化合物一定是氧化物",{"optionId":355,"optionTitle":356,"optionSubtitle":11,"titleIndex":170,"indexName":183},264469,"碱溶液能使无色酚酞溶液变红，所以能使无色酚酞溶液变红的一定是碱溶液",{"optionId":358,"optionTitle":359,"optionSubtitle":11,"titleIndex":53,"indexName":187},264470,"中和反应生成盐和水，但生成盐和水的不一定是中和反应",{"subjectId":361,"subjectTitle":362,"subjectSubtitle":11,"subjectType":160,"titleIndex":160,"indexName":11,"subjectTypeName":161,"optionList":363},85634,"\u003Cspan style=\"font-size: 14px; background-color: rgb(255, 255, 255); font-family: KaiTi_GB2312; color: rgb(254, 36, 25);\">\u003Cb style=\"font-weight: bold;\">\u003Cspan style=\"font-size: 18px;\">填空题\u003C\u002Fspan>\u003C\u002Fb>\u003C\u002Fspan>\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);\">（本大题包括4小题，共14分；化学方程式2分，其余每空1分）\u003C\u002Fspan>",[364],{"optionId":365,"optionTitle":165,"optionSubtitle":11,"titleIndex":16,"indexName":166},264471,{"subjectId":367,"subjectTitle":368,"subjectSubtitle":11,"subjectType":257,"titleIndex":148,"indexName":369,"subjectTypeName":370,"optionList":371},85635,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);\">请用合适的化学用语填空：\u003C\u002Fspan>","12","多项填空",[372,375,378,381],{"optionId":373,"optionTitle":374,"optionSubtitle":11,"titleIndex":16,"indexName":166},264472,"保持氖气化学性质的最小微粒\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                      \u003C\u002Fu>",{"optionId":376,"optionTitle":377,"optionSubtitle":11,"titleIndex":15,"indexName":179},264473,"3个铵根离子\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                      \u003C\u002Fu>",{"optionId":379,"optionTitle":380,"optionSubtitle":11,"titleIndex":170,"indexName":183},264474,"标出氯酸钾中氯元素的化合价\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                      \u003C\u002Fu>",{"optionId":382,"optionTitle":383,"optionSubtitle":11,"titleIndex":53,"indexName":187},264475,"小苏打\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                      \u003C\u002Fu>",{"subjectId":385,"subjectTitle":386,"subjectSubtitle":11,"subjectType":257,"titleIndex":387,"indexName":388,"subjectTypeName":370,"optionList":389},85636,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; font-size: 14px; background-color: rgb(255, 255, 255);\">学习化学要建立元素观、粒子观、变化观和分类观，请用所学知识回答下列问题：\u003C\u002Fspan>",17,"13",[390,393,396],{"optionId":391,"optionTitle":392,"optionSubtitle":11,"titleIndex":16,"indexName":166},264476,"从图一中可知，铬的相对原子质量为\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                      \u003C\u002Fu>；",{"optionId":394,"optionTitle":395,"optionSubtitle":11,"titleIndex":15,"indexName":179},264477,"（A、B、C、D所示的粒子共表示（\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                     \u003C\u002Fu>种元素；",{"optionId":397,"optionTitle":398,"optionSubtitle":11,"titleIndex":170,"indexName":183},264478," A与C形成化合物的化学式为\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                      \u003C\u002Fu>。",{"subjectId":400,"subjectTitle":401,"subjectSubtitle":11,"subjectType":257,"titleIndex":402,"indexName":403,"subjectTypeName":370,"optionList":404},85637,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; font-size: 14px;\">a、b、c三种固体物质的溶解度曲线如图所示：\u003C\u002Fspan>",18,"14",[405,408,411,414],{"optionId":406,"optionTitle":407,"optionSubtitle":11,"titleIndex":16,"indexName":166},264479," 交点P的含义：\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                      \u003C\u002Fu>；",{"optionId":409,"optionTitle":410,"optionSubtitle":11,"titleIndex":15,"indexName":179},264480,"（2） t2℃时，现将30g的a 物质放在50克水中，所得溶液中溶质与溶剂的质量比为______。",{"optionId":412,"optionTitle":413,"optionSubtitle":11,"titleIndex":170,"indexName":183},264481,"（3） 除去a固体中混有的少量b，提纯a的方法是_______。",{"optionId":415,"optionTitle":416,"optionSubtitle":11,"titleIndex":53,"indexName":187},264482,"（4） t2℃时，将a、b、c三种物质的饱和溶液降温至t1℃，所得溶液中溶质质量分数由大到小关系为___",{"subjectId":418,"subjectTitle":419,"subjectSubtitle":11,"subjectType":257,"titleIndex":420,"indexName":421,"subjectTypeName":370,"optionList":422},85638,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; font-size: 14px;\">钢铁是目前世界范围内使用最广的金属材料。\u003C\u002Fspan>",19,"15",[423,426],{"optionId":424,"optionTitle":425,"optionSubtitle":11,"titleIndex":16,"indexName":166},264483,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">铁制品锈蚀的过程，实际上是铁与空气中的\u003C\u002Fspan>\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                                \u003C\u002Fu>\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">发生化学反应的过程。\u003C\u002Fspan>",{"optionId":427,"optionTitle":428,"optionSubtitle":11,"titleIndex":15,"indexName":179},264484,"\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">工业上用稀盐酸除去铁制品表面的铁锈，反应的化学方程式为\u003C\u002Fspan>\u003Cu style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">                                                     \u003C\u002Fu>\u003Cspan style=\"color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; background-color: rgb(255, 255, 255);\">。\u003C\u002Fspan>",{"subjectId":430,"subjectTitle":431,"subjectSubtitle":11,"subjectType":239,"titleIndex":12,"indexName":432,"subjectTypeName":433,"optionList":434},85639,"\u003Cdiv class=\"topic__type\" style=\"padding-bottom: 100px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); color: rgb(38, 38, 38); font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", 微软雅黑, sans-serif; font-size: 12px;\">\u003Cdiv class=\"topic__inner\" style=\"padding-right: 18px; padding-left: 18px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0);\">\u003Cdiv class=\"topic__type-body\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\">\u003Cfieldset style=\"border-width: 0px; border-style: solid; border-color: rgb(192, 192, 192); margin-top: 20px; padding: 0px;\">\u003Clegend class=\"normalcut\" style=\"border-width: 0px; border-style: initial; width: 744px; font-size: 14px;\">现有含杂质的氢氧化钙样品10g向其中加入10%的稀盐酸溶液73g恰好完全反应（杂质不参与反应），求样品中氢氧化钙的质量分数_____。\u003C\u002Flegend>\u003C\u002Ffieldset>\u003C\u002Fdiv>\u003C\u002Fdiv>\u003C\u002Fdiv>","16","单选填空",[435],{"optionId":436,"optionTitle":165,"optionSubtitle":11,"titleIndex":16,"indexName":166},264485]