• 2022-07-24
    能与碳酸钠溶液作用生成沉淀,而此沉淀又能溶于氢氧化钠溶液的是
    未知类型:{'options': ['[tex=3.143x1.214]7/74oP7ZHh1PPGFMLjZZUQ==[/tex]', '[tex=2.643x1.214]spy69cvXLcop4v1gPJsF6g==[/tex]', '[tex=2.429x1.214]Gt7WPvuyJYlrDDyUEJwk+w==[/tex]', '[tex=4.5x1.357]uW6HtnWhZ6dNgrH/n6+Nix+HzcoN8TejMn89otmne8U=[/tex]'], 'type': 102}
  • C

    举一反三

    内容

    • 0

      下列物质中熔点最高的是 未知类型:{'options': ['[tex=1.714x1.0]RGdCJaUTwusrRbKJXk7rLQ==[/tex]', '[tex=2.643x1.214]hsRKZp6cTCmKCyQuZrYomQ==[/tex]', '[tex=2.429x1.214]Gt7WPvuyJYlrDDyUEJwk+w==[/tex]', '[tex=1.929x1.0]lNKFM1BoeqkunF21jXMllA==[/tex]'], 'type': 102}

    • 1

      欲制备[tex=1.714x1.214]UkHyMZV/LtW0tyKGpkZHeg==[/tex]负溶胶,溶液中[tex=3.143x1.214]7/74oP7ZHh1PPGFMLjZZUQ==[/tex]和[tex=1.357x1.0]+S2auckDooFmC3a5BtDY+A==[/tex]浓度关系为 未知类型:{'options': ['[tex=8.357x1.357]LZxVKNGPUguyCnfuDBNolkE2BeWcMJfWHG4p+j3KYodftricwHOluthyjvwJLF2n[/tex]', '[tex=8.357x1.357]LZxVKNGPUguyCnfuDBNolqKjrTGql1clAP2Ek2NxLU3VBH1PBMAQ/rVwX/Q35PG4[/tex]', '[tex=8.0x1.357]LZxVKNGPUguyCnfuDBNolmM/AJcKQx8SItdbILExYY1HjSBEJ3qpfNTi/TyINt0V[/tex]'], 'type': 102}

    • 2

      下列化合物中,既溶于浓盐酸,又溶于硫化钠的是: 未知类型:{'options': ['[tex=2.429x1.214]aYbousFf8JPmOgEcVAqLWKJ9+e+O6WooCyadqvoNitH/kCbJgIcGmLdFuUn1Bghq[/tex]', '[tex=6.214x1.214]At82FG4TKf/ffC/Jx3KYTSva72OfUxQ1CrCfIHnqsHQ=[/tex]', '[tex=2.286x1.214]4dIN3iBEBBWrgXG58WiMPSTQGhpIdmw228M5EBgg5tU=[/tex]', '[tex=2.429x1.214]X/PebFp6nOlFy3SE7jOdYWxOEmwZEP/9LktSPmbMOxA=[/tex]', '[tex=2.429x1.214]aYbousFf8JPmOgEcVAqLWO0kr2e1MBygRhE6exv/bfw=[/tex]'], 'type': 102}

    • 3

      鉴别[tex=18.857x1.214]zMHQQ3fOw72SrsRZsUSnv+L6hWtvIoGw3TKyGRUPL/RzMMfWpZersgCQJnIz+oKpmL36ALF7+aDpgMFxaCQy8jSldlfGccFOHoplYMndANiqqQGFlcD3R0pwFAO1oecF[/tex]最好采用的试剂是 未知类型:{'options': ['[tex=3.571x1.214]je/Qv00fWJ56Im/DOOQz9Q==[/tex]', '[tex=1.571x1.214]2Ak7vsS13wJZguKS2R+epw==[/tex]', '[tex=3.143x1.214]7/74oP7ZHh1PPGFMLjZZUQ==[/tex]', '[tex=1.143x1.214]MRlVkfOlEUb6zDVyU4WO6Q==[/tex]'], 'type': 102}

    • 4

      混合溶液中[tex=4.214x1.214]+VHu7U7p5OyZH6N9ztyP1Q==[/tex]和[tex=3.5x1.214]K85aKCfyGtUIwh4kQOLHfPYwYdB/knoz96OzpKL72Rw=[/tex]浓度均为[tex=6.571x1.214]zGlt9iFbM1ZHCMl6Y1xUIMBfUUflLPVJ4sgnQSGIO7k=[/tex]向溶液中逐滴加人[tex=6.5x1.214]rSmB/Y+yav8YJ4Sus5KDnRTkVPj2FoHCic6klBiA9oc=[/tex]的[tex=3.143x1.214]7/74oP7ZHh1PPGFMLjZZUQ==[/tex]溶液时,最先和最后沉淀的是 [tex=21.214x1.643]g3tvVYl63XWsLPWfZ/TsFIJwd8gfNHsxthPv62gNK8F7vRAUUho5W3YRTOqTf7avi2ydt8HF/4pGW16lGtwMAY4DjuscrzwAuT95/9eZA2iLw9Kob3O20lqKEQE9iFN92DcBVM7iW1s4Kf1CWg4x9Q==[/tex][tex=12.286x1.643]kqAgIBlr2oGvobDlolvRHeprnTlQ6sDrOPLkP0brGA6ljBoiPRyubnXrIYTEa/vxvabgv+wG2V3YEX4nShzTCndx/ANM2w6ehYJ8UhSPigiqfe4+S5h2h7wWaiSG0ZA4[/tex] 未知类型:{'options': ['[tex=2.286x1.214]nceVOTib4Cm3L+Sf69HTuQ==[/tex],[tex=2.286x1.214]6INwYJRD7QExaMkQ2l6Ytg==[/tex]', '[tex=2.286x1.214]nceVOTib4Cm3L+Sf69HTuQ==[/tex],[tex=3.857x1.214]q6Eu++DQ6vPOMIhrSf5w+AdCMSnnSffxmMRMAEp8E4k=[/tex]', '[tex=3.857x1.214]DHWCHRoipD2GcuABlRml6YB5VvKrORb8C6NQFZSgd9Y=[/tex],[tex=2.286x1.214]6INwYJRD7QExaMkQ2l6Ytg==[/tex]', '同时沉淀'], 'type': 102}