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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",[259,262,265,268],{"optionId":260,"optionTitle":261,"optionSubtitle":20,"titleIndex":17,"indexName":149},35927,"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":263,"optionTitle":264,"optionSubtitle":20,"titleIndex":16,"indexName":161},35928,"利用活性炭疏松多孔的结构，吸附水中的色素和异味",{"optionId":266,"optionTitle":267,"optionSubtitle":20,"titleIndex":24,"indexName":165},35929,"水是由氢元素和氧元素组成的",{"optionId":269,"optionTitle":270,"optionSubtitle":20,"titleIndex":36,"indexName":169},35930,"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":272,"subjectTitle":273,"subjectSubtitle":20,"subjectType":17,"titleIndex":274,"indexName":275,"subjectTypeName":153,"optionList":276},13386,"\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>",10,"8",[277,280,283,286],{"optionId":278,"optionTitle":279,"optionSubtitle":20,"titleIndex":17,"indexName":149},35933,"化学反应前后分子、原子的数目发生改变",{"optionId":281,"optionTitle":282,"optionSubtitle":20,"titleIndex":16,"indexName":161},35934,"反应中的甲、丁分子个数比为1：1",{"optionId":284,"optionTitle":285,"optionSubtitle":20,"titleIndex":24,"indexName":165},35935,"化学反应中各元素化合价不发生改变",{"optionId":287,"optionTitle":288,"optionSubtitle":20,"titleIndex":36,"indexName":169},35936,"反应生成的丙和丁的质量比为7：6",{"subjectId":290,"subjectTitle":291,"subjectSubtitle":20,"subjectType":17,"titleIndex":25,"indexName":292,"subjectTypeName":153,"optionList":293},13387,"\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>","9",[294,297,300,303],{"optionId":295,"optionTitle":296,"optionSubtitle":20,"titleIndex":17,"indexName":149},35941,"乙甲丁丙",{"optionId":298,"optionTitle":299,"optionSubtitle":20,"titleIndex":16,"indexName":161},35942,"丙甲丁乙",{"optionId":301,"optionTitle":302,"optionSubtitle":20,"titleIndex":24,"indexName":165},35943,"乙丁甲丙",{"optionId":304,"optionTitle":305,"optionSubtitle":20,"titleIndex":36,"indexName":169},35944,"甲丙乙丁",{"subjectId":307,"subjectTitle":308,"subjectSubtitle":20,"subjectType":17,"titleIndex":44,"indexName":309,"subjectTypeName":153,"optionList":310},13389,"\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>","10",[311,314,317,320],{"optionId":312,"optionTitle":313,"optionSubtitle":20,"titleIndex":17,"indexName":149},35947,"阿司匹林中碳元素的质量分数最大",{"optionId":315,"optionTitle":316,"optionSubtitle":20,"titleIndex":16,"indexName":161},35948,"阿司匹林由碳、氢、氧三种元素组成的有机化合物",{"optionId":318,"optionTitle":319,"optionSubtitle":20,"titleIndex":24,"indexName":165},35949,"阿司匹林中氢、氧元素的质量比为2：1",{"optionId":321,"optionTitle":322,"optionSubtitle":20,"titleIndex":36,"indexName":169},35950,"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":324,"subjectTitle":325,"subjectSubtitle":20,"subjectType":17,"titleIndex":326,"indexName":327,"subjectTypeName":153,"optionList":328},13390,"\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>",13,"11",[329,332,335,338],{"optionId":330,"optionTitle":331,"optionSubtitle":20,"titleIndex":17,"indexName":149},35955,"原子是不带电的粒子，所以不带电的粒子一定是原子",{"optionId":333,"optionTitle":334,"optionSubtitle":20,"titleIndex":16,"indexName":161},35956,"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":336,"optionTitle":337,"optionSubtitle":20,"titleIndex":24,"indexName":165},35957,"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":339,"optionTitle":340,"optionSubtitle":20,"titleIndex":36,"indexName":169},35958,"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":342,"subjectTitle":343,"subjectSubtitle":20,"subjectType":143,"titleIndex":143,"indexName":20,"subjectTypeName":144,"optionList":344},13393,"\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>",[345],{"optionId":346,"optionTitle":148,"optionSubtitle":20,"titleIndex":17,"indexName":149},35959,{"subjectId":348,"subjectTitle":349,"subjectSubtitle":20,"subjectType":238,"titleIndex":112,"indexName":350,"subjectTypeName":351,"optionList":352},13395,"\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",[353,356,359,362],{"optionId":354,"optionTitle":355,"optionSubtitle":20,"titleIndex":17,"indexName":149},35964,"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":357,"optionTitle":358,"optionSubtitle":20,"titleIndex":16,"indexName":161},35965,"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":360,"optionTitle":361,"optionSubtitle":20,"titleIndex":24,"indexName":165},35966,"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":363,"optionTitle":364,"optionSubtitle":20,"titleIndex":36,"indexName":169},35967,"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":366,"subjectTitle":367,"subjectSubtitle":20,"subjectType":238,"titleIndex":368,"indexName":369,"subjectTypeName":351,"optionList":370},13396,"\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",[371,374,377],{"optionId":372,"optionTitle":373,"optionSubtitle":20,"titleIndex":17,"indexName":149},35970,"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":375,"optionTitle":376,"optionSubtitle":20,"titleIndex":16,"indexName":161},35971,"（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":378,"optionTitle":379,"optionSubtitle":20,"titleIndex":24,"indexName":165},35972," 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":381,"subjectTitle":382,"subjectSubtitle":20,"subjectType":238,"titleIndex":383,"indexName":384,"subjectTypeName":351,"optionList":385},13397,"\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",[386,389,392,395],{"optionId":387,"optionTitle":388,"optionSubtitle":20,"titleIndex":17,"indexName":149},35975," 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":390,"optionTitle":391,"optionSubtitle":20,"titleIndex":16,"indexName":161},35976,"（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":393,"optionTitle":394,"optionSubtitle":20,"titleIndex":24,"indexName":165},35977,"（3） 除去a固体中混有的少量b，提纯a的方法是_______。",{"optionId":396,"optionTitle":397,"optionSubtitle":20,"titleIndex":36,"indexName":169},35978,"（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":399,"subjectTitle":400,"subjectSubtitle":20,"subjectType":238,"titleIndex":401,"indexName":402,"subjectTypeName":351,"optionList":403},13398,"\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",[404,407],{"optionId":405,"optionTitle":406,"optionSubtitle":20,"titleIndex":17,"indexName":149},35979,"\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":408,"optionTitle":409,"optionSubtitle":20,"titleIndex":16,"indexName":161},35980,"\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":411,"subjectTitle":412,"subjectSubtitle":20,"subjectType":33,"titleIndex":12,"indexName":413,"subjectTypeName":414,"optionList":415},13399,"\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",[416],{"optionId":417,"optionTitle":148,"optionSubtitle":20,"titleIndex":17,"indexName":149},35981]