1.pure acid 係咪即係話一個acid 冇水?
2.係咪
pure acid 就係 covalent bond
impure acid 就係ionic bond?
explain
收錄日期: 2021-04-12 21:52:30
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061209000051KK03284