- Corrosionresistanceplayanimportantroleinthereliabilityofpipelinesteels,andHIC(HydrogenInducedCracking)isoneoffailureformsforpipeline.Whentwocarsmeet,iftheoppositecaralsohasthefunctionasHICandthefunctionisinwork,theycanswitchthelightatthesametime....
- 5884
- 问题详情:以下物质的实验室制备不合理的是()A. 用铅皿制备HF B. 用浓硫*制备HIC. 用磨砂接口的装置制备HNO3D. 用浓硫*制HCl【回答】试题解析:【分析】本题考查化学实验方案的评价,为高考频点,难度中等,注意掌握好相关物质的*质来解答。【解答】A.由于HF能腐蚀玻璃,因此用...
- 25580