四川省绵阳市高中2022级第二次诊断性考试化学答案
绵阳市高2022级第二次诊断考试化学参考答案和评分标准一、选择题:1.C2.A3.D4.C5.B6.D7.A8.A9.C10.B11.C12.D13.B14.B15.C二、非选择题:16.(13分)(1)Ar(1分)CE(2分)(2)2Fe2++H2O2+2H+==2Fe3++2H2O(2分)(3)4.7~6.2(2分)Fe(OH)3、Al(OH)3(2分)(4)4×10-4(2分)(5)LaNi5H6–6e-+6OH-==LaNi5+6H2O(2分)17.(15分)(1)干燥氯气(1分)球形冷凝管(1分)(2)AC(2分)(3)排出装置内空气,防止空气中水蒸气使VOCl3水解(2分)通冷凝水...
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