rickygaogaigar

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2,127
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70.00%
等級
Lv 3
[匿名]
回覆: 1
2007-08-10 8:24 am
Extraction of metal
chanel
回覆: 2
2007-08-09 6:52 am
chem.酸鹼
chanel
回覆: 1
2007-08-09 7:07 am
chem..
嘉銘
回覆: 1
2007-08-08 7:20 am
請告訴我柯南中所有有關化學的案例。
用戶7639
回覆: 3
2007-06-08 5:37 am
chem.........
A student
回覆: 2
2007-05-16 5:15 am
About yeast and glucose HURRY!
cccc
回覆: 3
2007-05-16 5:02 am
Ammonium solution +CUSO4 very easy
KA YAN
回覆: 3
2007-05-07 3:44 am
試建議一些長遠有效方法,有助解決塑膠帶來的環境問題的方法.
km
回覆: 1
2007-04-23 1:47 am
請用中文和英分別文詳細說出中四化學科的課題
用戶140614
回覆: 3
2007-04-01 4:53 am
CHEM F.4 -------------------------40 marks
[匿名]
回覆: 3
2007-03-07 6:06 am
Gumdam War
用戶21707
回覆: 1
2007-03-04 2:22 am
1 F.4 Chem question
[匿名]
回覆: 4
2007-03-04 2:30 am
點解漏煤氣會爆炸?
[匿名]
回覆: 3
2007-02-24 9:15 pm
點解要acidify potassium permanganese??(20marks)
Jay
回覆: 2
2007-02-22 4:36 am
question about the preration of ester
俊杰
回覆: 2
2007-02-18 1:26 am
檸檬汁加入碳酸氫鈉有什麼反應??
Kenneth
回覆: 2
2007-02-08 4:32 am
點解要加excess alkali?
Thomas Ho
回覆: 1
2007-02-08 5:43 am
為什麼「我可舒適」(一種胃藥) 需存在到陰涼處??
[匿名]
回覆: 2
2007-02-03 3:41 am
gundaw war
用戶220694
回覆: 2
2007-02-04 6:47 am
carbonate!
lung pan
回覆: 1
2007-01-31 4:32 am
safety in useing town gas?
[匿名]
回覆: 3
2007-01-26 4:32 am
GUNDAM WARS 卡
ho yee
回覆: 2
2007-01-10 10:22 pm
CHEM QUESTION
用戶110394
回覆: 1
2007-01-07 10:27 pm
electronegativity
2003
回覆: 2
2007-01-06 9:15 pm
naming of hydrocarbon
2003
回覆: 2
2007-01-02 7:01 am
hydrocarbon
herichcyh
回覆: 1
2006-12-29 2:33 am
Redox and ester
[匿名]
回覆: 2
2006-12-27 7:02 am
help~~chem...optically active
L_C
回覆: 2
2006-12-28 10:24 pm
英皇教育職員制服一問...
[匿名]
回覆: 2
2006-12-16 3:49 am
請問大家有無21st Century Chemistry Book 1A 同 1B 既SOLUTION呀??
[匿名]
回覆: 2
2006-12-16 10:18 pm
ion, atom, formula unit, molecules 都係particles?
用戶79906
回覆: 1
2006-12-17 1:16 am
Relative isotopic mass 跟 relative atomic mass有什麼分別?
1
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