[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGK9476QjKqKSuUA8wjqTsmlhF5tcNLihznfsQs4BhaY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2024-12-20 21:29:07",172699456,[8,9,10,11],"①③⑤","②④⑥","③⑤⑥","①②④",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"f5c167343af9b18aabee0305b8c38cbb","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb51d0454aa980242fb128a53b988076a.png","中学化学实验教学研究","9c90a6f986784aca923416a897949784","第四章 单元测验","容量瓶中需标有①温度 ②浓度 ③容量 ④压强 ⑤刻度线⑥酸式或碱式六项中的",[21,26,35,44,53,62,71,80,90,99],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],172699457,[30,31,32,33],"用 25 毫升的碱式滴定管量取 14.80 毫升的 NaOH 溶液","用 100 毫升的量筒量取 5.2 毫升盐酸","用托盘天平称取 25.20 克氯化钠","用 100 毫升容量瓶配制 50 毫升 0.1 摩\u002F升盐酸","下列实验操作中所用的仪器合理的是",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],172699458,[39,40,41,42],"所使用的 NaOH 已在空气中部分变质","将 NaOH 溶解,并将溶液倒入 100 毫升容量瓶后,"定量"时,俯视容量瓶刻度线","把烧碱放在纸片上称量","天平空盘时,指针指向刻度盘"0"刻度的左边,称量达平衡时,指针指在"0"刻度","某学生欲配制 0.1 摩\u002F升 NaOH 溶液 100 毫升�配制时下列操作可能会造成溶液的实际浓度偏高的是",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],172699459,[48,49,50,51],"10.5 克","10.0 克","9.5 克","11.0 克","某学生用天平称量固体时将样品和砝码错放位置,待天平平衡时,称得样品质量为 10.5 克(1 克以下用游码),如按正确称法,此样品质量应为",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],172699460,[57,58,59,60],"8 克","10 克","17 克","18 克","某学生用天平称 12 克固体物质(5 克以下用砝码),由于砝码和物品错放位置,所以该学生实 际称得的质量为",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],172699461,[66,67,68,69],"铁棒附近产生 OH-","铁棒被腐蚀","石墨棒上放出氯气","石墨棒上放出氧气","铁棒和石墨棒用导线连接后,浸入 0.01 摩\u002F升的氯化钠溶液中,可能出现的现象是",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":24,"type":25},[],172699462,[75,76,77,78],"溴和四氯化碳","苯和溴苯","汽油和苯","硝基苯和水","可以用分液漏斗分离的一组液体混和物是",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":24,"type":89},[],172699463,[84,85,86,87],"将冰醋酸、乙醇和浓硫酸混和共热制取乙酸乙酯","将乙醇和 3 摩\u002F升的硫酸按体积比 1:3 混和共热至 170℃制乙烯","将醋酸钠晶体(NaAc·3H2O)和碱石灰混和均匀加热制取甲烷","用苯、液溴和还原铁粉制溴苯","下列制备实验一定会失败的是",1,{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":24,"type":89},[],172699464,[94,95,96,97],"用食盐、浓硫酸、MnO2 混和加热制 Cl2","将白磷放在试管里加强热,冷却后得到红磷","将铜丝伸入硫蒸气中得到 CuS","足量 Cl2 通入 FeCl2 溶液后,将溶液蒸干并灼烧,可得到 Fe2O3","下列实验能成功的是",{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":24,"type":89},[],172699465,[103,104,105,106],"在催化剂作用下氨被空气氧化,将两次氧化的产物被水吸收制成硝酸","氯气和氢气混和在光照条件下生成氯化氢,用水吸收成盐酸","二氧化硫在接触室被氧化成三氧化硫,再在吸收塔内被水吸收制成浓硫酸","用硝酸镁作吸水剂,将稀硝酸浓缩蒸馏得 96%以上的浓硝酸","下列关于化工生产原理的几种叙述中,均不符合目前工业生产实际情况的是"]