1. 倒少少acetone落個beaker有咩用？
2. water可5可以replace acetone? 點解?
f.3 chem chromatography 實驗
2011-12-05 2:44 am
回答 (2)
2011-12-05 4:57 am
✔ 最佳答案
中三便要做chromatography的實驗?2011-12-04 20:57:20 補充：
1. As a solvent, especially for the organic substances.
2. No. According to the principle "like dissolve like", the organic substances are not soluble in the water, which make the chromatography hard to carry out.
參考: Knowledge is power.
2011-12-05 5:04 am
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第2課 mixture and separation methods
第2課 mixture and separation methods
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https://hk.answers.yahoo.com/question/index?qid=20111204000051KK00673