- 問題詳情:以下物質的實驗室製備不合理的是()A. 用鉛皿製備HF B. 用濃硫*製備HIC. 用磨砂接口的裝置製備HNO3D. 用濃硫*制HCl【回答】試題解析:【分析】本題考查化學實驗方案的評價,爲高考頻點,難度中等,注意掌握好相關物質的*質來解答。【解答】A.由於HF能腐蝕玻璃,因此用...
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- Corrosionresistanceplayanimportantroleinthereliabilityofpipelinesteels,andHIC(HydrogenInducedCracking)isoneoffailureformsforpipeline.Whentwocarsmeet,iftheoppositecaralsohasthefunctionasHICandthefunctionisinwork,theycanswitchthelightatthesametime....
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- 問題詳情:能用共價鍵鍵能大小解釋的是A.還原*:HI>HF B.溶解度:HF>HIC.沸點:HF>HI D.分解溫度:HF>HI【回答】D知識點:化學鍵題型:選擇題...
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- 問題詳情:下列敘述中不正確的是()A.顏*深淺:AgI>AgBr>AgClB.還原*:HF>HCl>HBr>HIC.水溶液**:HI>HBr>HCl>HFD.光敏*:AgI>AgBr>AgCl>AgF【回答】B知識點:鹵素單元測試題型:選擇題...
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