[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fohgULpE6aQV-weQwWK0V7J4rdHVFQUmZk12I_J3kKxk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2024-06-12 16:33:08",150728181,[8,9,10,11],"仪器校正","对照试验","空白试验","无合适方法",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},267,"3534d83934e2b1854219824af3cf0f46","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F745f94856d0baa78343e11fe82d8b5e6.jpg","2023-2024-2分析化学","917e618346904980930bd9f56e4a67be","第一章综合自测","滴定分析中,若怀疑试剂在放置中失效可通过()的方法检验",[21,26,35,44,53,62,71,77,86,95],{"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},[],150728182,[30,31,32,33],"滴定时所加试剂中含有微量的被测物质","滴定管的最后一位读数偏高或偏低","所用试剂含干扰离子","室温升高","分析测定中出现的下列情况,属于偶然误差的是()",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],150728183,[39,40,41,42],"校正仪器","测加标回收率","增加测定的次数","做空白试验","检验方法是否可靠的办法是()",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],150728184,[48,49,50,51],"进行对照试验","进行空白试验","进行仪器校准","增加平行测定次数","下列方法中可用于减小滴定过程中的偶然误差的是()",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],150728185,[57,58,59,60],"在0.2g以上","在0.2g以下","在0.1g以上","在0.4g以上","使用万分之一分析天平用差减法进行称量时,为使称量的相对误差在0.1%以内,试样质量应()",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],150728186,[66,67,68,69],"随机产生","具有单向性","呈正态分布","难以测定","系统误差的性质是()",{"answer":72,"createTime":5,"id":73,"options":74,"question":76,"source":24,"type":25},[],150728187,[75,49,51,48],"校准砝码","下列各措施中可减小偶然误差的是()",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":24,"type":25},[],150728188,[81,82,83,84],"方法误差属于系统误差","系统误差包括操作误差","系统误差呈现正态分布","系统误差具有单向性","下述论述中错误的是()",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":24,"type":25},[],150728189,[90,91,92,93],"系统误差","随机误差","标准偏差","正确","一个分析方法的准确度是反映该方法()的重要指标,它决定着分析结果的可靠性",{"answer":96,"createTime":97,"id":98,"options":99,"question":102,"source":24,"type":25},[],"2024-06-12 16:33:09",150728190,[100,101,90,91],"绝对误差","相对误差","由分析操作过程中某些不确定的因素造成的误差称为"]