有咩material(物料)可以吸收sulfur dioxide&nitrogen oxide架?
吸收後有咩明顯特點(e.g.轉左色)證明係吸收左ka??
用英文ar~
about acid rain
2007-04-25 12:36 am
回答 (3)
2007-04-25 12:52 am
✔ 最佳答案
用 ph paper ...ph paper 分 13 個 value ...
係 nature 的話係變綠色
係 acidity 的話會係變橙色紅色
係 alkaline 的話係會變藍色
2007-04-25 1:18 am
acid will turn blue litmus paper to red
alkali will turn red litmus paper to blue
or ph paper
ph value is0-6 is acid
ph value is7 is neutral
ph value is8-14 is alkali
alkali will turn red litmus paper to blue
or ph paper
ph value is0-6 is acid
ph value is7 is neutral
ph value is8-14 is alkali
2007-04-25 12:45 am
acid rain 用acid indicator囉~
收錄日期: 2021-04-12 23:56:45
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https://hk.answers.yahoo.com/question/index?qid=20070424000051KK02209