湖南省邵阳市武冈市2024届高三上学期期中考试 化学答案
2022年下学期期中考试高三化学参考答案及评分标准第1页共2页2023年下学期期中考试高三化学参考答案及评分标准一、单选题：每题3分，共42分。题号12345678910答案BDDACCBBAC题号11121314答案DBAB二、非选择题:本题共4小题，除18小题中（4）和（5）特殊说明外，其他每空2分，共58分。15．（12分）(1)三颈烧瓶(2)(3)将反应液静置，再用胶头滴管取烧中少量的上层清液继续滴加碳酸钠溶液，若不出白色沉淀，则说明反应完全(答案合理即可)(4)无氧条件(隔绝空气加热)(5)溶液由蓝色变成无色，且半分钟内不恢复(答案合理即可)16．（16分）(1)抑制溶液中的Fe3+...
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