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【单选题】
下列实验方案合理的是
A.
向沸腾的NaOH稀溶液中滴加FeCl 3 饱和溶液，以制备Fe(OH) 3 胶体
B.
测定工业烧碱的含量(含杂质碳酸钠)可称取一定量样品放人锥形瓶中，加适量水溶解，再加入稍过量氯化钡溶液，用酚酞作指示剂，用标准浓度的盐酸滴定
C.
用分液漏斗分离苯与硝基苯
D.
除去氯化铁酸性溶液中的氯化亚铁：加入适量的硝酸溶液
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C.
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D.
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Hasty Generalization
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Dicto Simpliciter
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【简答题】交际运用 A. Well, first peel three apples. B. Then pour the milk in the blender. C. Finally, pour the milk shake in a glass and drink it. D. Let's make an apple milk shake. E. Then cut up the apples. A: I...
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【单选题】解除合同是一种违约后补救方法,但它不能与下列方式中的( )并用。
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