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發問 0 回答 78

2008-07-08 6:15 am

How to determine which one is a better leaving group in SN2

2008-06-14 7:02 am

2008-06-08 12:22 am

離域電子和自由電子的分別

2008-06-04 4:20 am

[化學]反應質量好難呀, 有冇高手幫下我(20分)

＊露緹希雅＊

2008-06-04 3:42 am

最強的酸和鹼是甚麼?超過pH14用甚麼表示?

2008-05-31 9:11 am

Organic Chemistry

2008-05-20 3:27 am

牙膏的化學式

2008-05-18 12:09 am

hybirdization states of some compounds

2008-05-15 1:12 am

2008-05-07 7:35 am

聚甲基丙烯酸甲酯(PMMA)有冇毒?

2008-04-27 1:05 am

2007年會考化學科mc疑問

2008-03-23 3:18 am

2008-03-20 8:30 am

酯化作用esterification

2008-03-16 9:51 pm

係咪所有polar compound 都可以溶喺水架, 點解ge????

2008-03-07 6:35 am

2008-03-06 8:09 am

化學公式呢度不明呀

2008-02-29 6:57 am

關於electrolysis......

2008-02-28 6:17 am

2008-02-25 6:45 am

HCl 及 H2SO4(自問酸好勁的你)

2008-02-22 2:48 am

化學questiona 高手ｈｅｌｐ

2008-02-22 4:06 am

簡單方式取食鹽

2008-02-14 11:44 pm

pH值和溫度有何關係

2008-02-14 10:21 pm

2008-02-08 3:18 am

anhydrous 同 hydrated sodium carbonate

2008-01-26 6:34 pm

Chemistry(CH3COOH)

2008-01-16 6:12 am

甚麼是脫水縮合???

2008-01-15 4:16 am

chem勁人入黎

2008-01-07 7:18 am

電阻變大/變小?

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