[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fvZ5TEjhZpjzDKX5_AB1TVdsDGyrSdf-LC4aJGIdUtO0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":29,"type":30},[],"2025-04-19 16:12:03",183713697,[8,9,10,11],"把试纸的一端浸入溶液中,观察其颜色的变化","把试纸丢入溶液中,观察其颜色的变化","将试纸放在点滴板(或表面皿)上,用干净的玻璃棒沾取待测溶液涂在试纸上,半分钟后与标准比色卡进行比较","用干净的玻璃棒沾取待测溶液涂在用水润湿的试纸上,半分钟后与标准比色卡进行比较",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":16},65,"4bce644a5503095d8d4f3d00ea078ecc","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbb062ff6068e05b64e1dc4486da29b2a.jpg","无机化学","exam_152695804","使用pH试纸检验溶液的pH值时,正确的操作是()",[20,31,40,43,52,61,71,80,88,97],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],183713693,[24,25,26,27],"6.5×104mol和37kg","6.5×107mol和3.7×103kg","6.5×106mol和0.13kg","6.5×104mol和1.3×10²kg","某煤气柜内的压力为104kPa,温度为298K、体积为1.6×103m3,298K时水的饱和蒸气压为3.17kPa,则气柜中煤气的物质的量和水蒸气的质量分别为()","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],183713695,[35,36,37,38],"压力","浓度","温度","以上都不对","标准平衡常数是()的函数",{"answer":41,"createTime":5,"id":6,"options":42,"question":18,"source":29,"type":30},[],[8,9,10,11],{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":29,"type":30},[],183713699,[47,48,49,50],"1899-12-31 04:01:00","1899-12-31 01:04:00","1899-12-31 02:03:00","1899-12-31 03:02:00","将25mL含有NO和NO2的混合气体的试管倒置于水中,经过一段时间后,恢复到原来的温度、压力,发现气体体积缩小为15mL(不考虑水蒸气),则原混合气体中NO和NO2的体积比为()",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":29,"type":30},[],183713701,[56,57,58,59],"逆反应","正反应","可逆反应方向","以上答案都对","标准平衡常数越大,说明反应越容易向着()方向进行",{"answer":62,"createTime":63,"id":64,"options":65,"question":70,"source":29,"type":30},[],"2025-04-19 16:12:04",183713703,[66,67,68,69],"4","7","10","14","某缓冲溶液含有等浓度的X-和HX,X-的Kb=1.0×10-12,此缓冲溶的pH值是()",{"answer":72,"createTime":63,"id":73,"options":74,"question":79,"source":29,"type":30},[],183713705,[75,76,77,78],"各反应物和生成物的浓度等于常数","各反应物和生成物的浓度相等","各物质浓度不再随时间而改变","正逆反应的速率系数相等","化学反应达到平衡的标志是()",{"answer":81,"createTime":63,"id":82,"options":83,"question":87,"source":29,"type":30},[],183713707,[84,85,86,38],"一切物质都是由分子组成的","分子是保持原物质性质的最小微粒","分子是保持原物质化学性质的微粒","下列关于分子论的论点,正确的是()",{"answer":89,"createTime":63,"id":90,"options":91,"question":96,"source":29,"type":30},[],183713709,[92,93,94,95],"F-","NH3","CN-","CO","下列配体中,与过渡金属离子只能形成高自旋八面体配合物的是()",{"answer":98,"createTime":63,"id":99,"options":100,"question":105,"source":29,"type":30},[],183713711,[101,102,103,104],"NaF","ZnO","CsCl","MgO","下列离子晶体中,正、负离子的配位数都是8的是()"]