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电镀相关基础知识问答

更新时间:2017-12-24 来源:电刷镀 标签:

1.盐酸有何特征?

答:纯净的盐酸是无色透明的液体,一般因含有杂质三氯化铁而呈黄色。常用浓盐酸中约含37%的氯化氢。盐酸易挥发,是一种强酸。在电镀生产中广泛使用盐酸作为浸蚀剂。

2.硫酸有和特征?

DA:NONGDUWEI96%DELIUSUANRONGYE,BIZHONGWEI1.84。NONGLIUSUANJUYOUXISHUIXING,XISHUIGUOCHENGZHONGFANGCHUDALIANGDERELIANG。ZAIDIANDUSHENGCHANZHONGGUANGFANSHIYONGLIUSUANZUOWEIJINSHIJI,YOUYUQIHUIFAXINGDI,SUOYIKELIYONGJIARETIGAOJINSHISUDU。

3.硝酸有何特征?

DA:XIAOSUANSHIYIZHONGYANGHUAXINGDEQIANGSUAN,ZAIJIANGUANGSHOURESHIFENJIEFANGCHUYANGERSHIBIEDEWUZHIYANGHUA,SUOYIXIAOSUANYINGSHENGZAIZONGSEPINGNEI,DIANDUSHENGCHANZHONGGUANGFANSHIYONGQUANYOUZUOWEIJINSHIJI。

4.现有浓盐酸、浓硝酸、浓硫酸各一坛,能凭目测将它们分辨出来吗?

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5.如何区别碳酸钠,片碱(NaOH)?

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6.什么叫溶液、溶剂与溶质?

DA:YIZHONGHUOSHUZHONGWUZHIFENSANDAOLINGYIZHONGYETIWUZHILIXINGCHENGDEJUNYUN、WENDINGYETIJIAORONGYE。NENGGOURONGJIEQITAWUZHIDEYETIJIAORONGJI,BEIRONGJIRONGJIEDEWUZHIJIAORONGZHI。

7.什么叫溶解与溶解度

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8.什么叫溶液浓度?

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9.什么叫比例浓度?

DA:YIRONGZHIYURONGJIDEZHONGLIANGHUOTIJIZHIBILAIBIAOSHIDENONGDUJIAOBILINONGDU。YIBANBILINONGDUZHONGJUNBIAOMINGSHIZHONGLIANGBIHUOSHITIJIBI,RUOBUBIAOMING,ZEGUTIANZHONGLIANGJI,YETIANTIJIJI。RUPEIZHI1:1DE YANSUANRONGYE,JIANG1TIJIDENONGYANSUANYU1TIJIDESHUIHUNHEJIDE;YOURUPEIZHI1:5000DEGAOMENGSUANJIARONGYE,JIANG1KEGAOMENGSUANJIARONGYU5000HAOSHENGSHUIZHONGJIDE。

10.什么叫重量百分浓度?

DA:YONG100KERONGYEZHONGSUOHANRONGZHIDEKESHULAIBIAOSHIDENONGDUJIAOZHONGLIANGBAIFENNONGDU。

11.什么叫克/升浓度?

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12.什么叫摩尔浓度?

DA:TONGCHANGSUOSHUODEMOERNONGDUSHIZHITIJIMOERNONGDU,JIYIMEISHENGRONGYEZHONGSUOHANRONGZHIDEMOERSHULAIBIAOSHIDENONGDU,CHANGYONGFUHAOMBIAOSHI:

13.什么叫当量浓度?

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14.什么叫有机化合物?

DA:YOUTANYUANSUHEQINGYUANSUZUCHENGDEHUAHEWUJIQIYANSHENGWUZONGCHENGWEIYOUJIHUAHEWU,JIANCHENGYOUJIWU。

15.有机化合物与无机化合物的性质有哪些不同?

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16.什么叫烃?它主要分哪几种?

DA:FENZIZHONGZHIHANYOUTANYUANZIHEQINGYUANZIDEYOUJIWUJIAOZUOTING。TINGANQIJIEGOUKEFENWEIKAILIANTINGHEBILIANTING(JIANCHENGHUANTING)。KAILIANTINGKEFENWEIWANTING、GUITINGHEXITINGSANZHONG,BILIANTINGYOUKEFENWEIZHIHUANTINGHEFANGXIANGTING。

17.烷烃、烯烃、炔烃分子式的组成各有什么规律?它们的通式是什么?

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18.什么叫烃的衍生物?

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19.有机物在电镀生产中有哪些用途?

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SAN.WULIHUAXUEYUDIANHUAXUE

20.什么叫表面张力?

DA:ZAIYEQILIANGXIANGDEJIEMIANSHANG,YETIFENZISUOSHOUYETINEIBUFENZIDEYINLIDAYUQITIFENZIDUITADEYINLI,YOUCIZAOCHENGDESHIYETIBIAOMIANSUOXIAODELIJIAOBIAOMIANZHANGLI。BIAOMIANZHANGLIDEDAXIAOYURONGYEDEXINGZHI、WENDU、NONGDUDENGYINSUYOUGUAN。

21.什么是表面活性剂?表面活性剂有哪些类型?

DA:NENGXIANZHUGAIBIANYETIBIAOMIANZHANGLIHUOLIANGXIANGZHIJIANDEJIEMIANZHANGLIDEWUZHIJIAOBIAOMIANHUOXINGJI(YOUSHICHENGJIEMIANHUOXINGJI)。

BIAOMIANHUOXINGJIYOUYINLIZIXINGDE,RUFEIZAO、SHIERWANJILIUSUANNA、SHIERWANJIHUANGSUANNADENG;YOUYANGLIZIXINGDE,RUZHIFANGZUANYAN、WANJIJIANYAN、WANJIMIDINGLUDAIWUDENG;YOULIANGXINGBIAOMIANHUOXINGJI,RULINGSUANXING、HUANGSUANZHIXINGDENG;YOUFEILIZIXINGBIAOMIANHUOXINGJI,RUOPRUHUAJI、PINGPINGJIA、HAIOUXIDIJI、FUTANLEIDENG。

22.表面活性剂的组成与性质如何?

DA:BIAOMIANHUOXINGJIDEFENZISHIYOUQINYOUXINGJITUANHEQINSHUIXINGJITUANLIANGBUFENZUCHENG。BIAOMIANHUOXINGJIYOURUHUAZUOYONG、PAOMOZUOYONGZENGRONGZUOYONG,BINGNENGGAIBIANGUYELIANGXIANGJIECHUSHIDERUNSHIXINGNENG。

23.表面活性剂在电镀生产中的用途有哪些?

DA:BIAOMIANHUOXINGJIZAIDIANDUZHONGZHUYAOYONGLAICHUYOU、TIGAOYINJIJIHUAZUOYONGHEGAISHANRONGYEFENSANNENGLI。LIRU,LIANGXINGBIAOMIANHUOXINGJI(RUHUANYANGXILIE)NENGMINGXIANTIGAOYINJIJIHUAZUOYONG。

24.怎样选用表面活性剂?

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