About sodium (急10點 )
Where can we find sodium on earth?
How we make sodium from other substances?
What is sodium like?
What sodium use for in industries and daily life
回答 (2)
Na呢,可以係海水中搵,或者礦石,佢地用compound形式出現
將Na化合物 高溫燒至melting point, 之後 用electrolysis extract 出黎
sodium 係一種silvery surface ge metal, 平時放係空氣之中, 會同O2 react, 會變到暗左色
sodium可以做table salt, 即係NaCl, 又或者做NaOH, 工業用的 哥士的!
參考: me
pure sodium can be extract from saturated sodium compond solution though electrolysis by the use of mecury electrode
收錄日期: 2021-04-23 19:16:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061212000051KK05268
檢視 Wayback Machine 備份