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Lv 5
Xxx
回覆: 3
2011-08-16 10:05 pm
chemistry chemistry asking 20p
用戶25529
回覆: 3
2011-07-03 8:42 pm
alkene reaction very dufficult
no name
回覆: 1
2010-07-20 6:18 am
benzene同methylbenzene
[匿名]
回覆: 2
2009-11-30 3:14 am
About MgCO3 and CaCO3
[匿名]
回覆: 3
2009-10-03 7:45 am
煲蠟的化學作用? (請提供equation和解釋)
[匿名]
回覆: 2
2009-09-24 2:52 am
AL Organic Chem
Jacky
回覆: 3
2009-09-05 3:24 am
strength of C=C and C-C
[匿名]
回覆: 2
2009-09-02 6:34 am
water tesion
Jacky
回覆: 2
2009-08-29 1:36 am
Homolysis
[匿名]
回覆: 2
2009-08-18 7:17 am
有咩方法可以漂白?
用戶250240
回覆: 2
2009-08-18 9:42 pm
some chemistry questions
用戶250240
回覆: 3
2009-08-18 9:49 pm
two chemistry questions
[匿名]
回覆: 3
2009-08-13 8:03 am
phy(ac circuit)
[匿名]
回覆: 2
2009-08-09 3:23 pm
covalent bond of F.3 chemistry
[匿名]
回覆: 1
2009-08-08 5:27 pm
AL chem k.kwong
[匿名]
回覆: 2
2009-08-07 1:12 am
點解graphite is more energetical
2003
回覆: 1
2009-07-09 3:48 am
點解空氣入面要有八成係nitrogen?
[匿名]
回覆: 2
2009-06-30 6:26 am
chem organic chem
Mastina
回覆: 3
2009-06-21 1:54 pm
AL chemistry Question
B
回覆: 2
2009-06-14 4:14 am
preparation of salt
Heyman
回覆: 2
2009-06-07 4:18 am
AL chem - addition of alkenes
用戶108812
回覆: 2
2009-06-02 2:13 am
urgent!! hkale chem 96I(4di)
[匿名]
回覆: 3
2009-05-14 1:24 am
chem既 positively charged既問題-20
大人
回覆: 2
2009-05-09 4:17 pm
點解唔可以用HCl去acidified substances
STEVIE-G™
回覆: 2
2009-04-11 9:38 pm
d-棟元素絡合物
[匿名]
回覆: 3
2008-11-18 7:43 am
oxidation of alkanol
[匿名]
回覆: 2
2008-11-10 12:23 am
(CH3)3CCH2Cl , 1'RCL , doesn't participate in typical SN
Peng
回覆: 3
2008-10-24 7:07 am
溶液之ph值問題
[匿名]
回覆: 2
2008-10-23 1:05 am
Why is ice less dense than liquid water?
2003
回覆: 2
2008-10-20 6:50 am
iodoform test
Joey
回覆: 2
2008-10-14 1:45 am
Fe(II) salt + con. HNO3 點解出NO?
[匿名]
回覆: 2
2008-09-27 1:18 am
點將alkane 變alkene
2003
回覆: 2
2008-09-25 1:06 am
haloalkane
2003
回覆: 2
2008-09-12 6:40 am
ammonia and hydrogen fluoride
A student
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2008-09-01 6:32 am
Electronegativity oF NH3 and NH4+
2003
回覆: 2
2008-08-24 3:31 am
isomer
大人
回覆: 1
2008-08-29 5:41 pm
chem勁人入入黎幫手..metal ion同ammonia reaction既問題....
靚靚
回覆: 3
2008-08-04 10:27 pm
化學 MC
Ryan
回覆: 2
2008-08-04 6:50 pm
化學基本知識的問題...(族/週期)
SSS
回覆: 4
2008-07-21 9:32 pm
Simple molecular structure和 Giant Covalent structure 點分? 20分
用戶84895
回覆: 1
2008-07-30 11:24 pm
幾個organic chem問題2
用戶84895
回覆: 1
2008-07-28 10:13 pm
幾個organic chem問題
用戶15238
回覆: 3
2008-07-13 9:26 pm
有關食用鹽同海水問題~~~~~~~~~
2003
回覆: 1
2008-07-21 6:02 am
water condenser
2003
回覆: 3
2008-07-19 6:29 am
hydrogen bond
90sivad
回覆: 3
2008-07-18 3:07 am
一個低B的問題
[匿名]
回覆: 2
2008-07-16 8:39 pm
點樣分iron(II)同iron(III) sulphate呀?
On9
回覆: 2
2008-07-13 1:02 am
關於元素週期表中的鑭系、錒系元素及112~118 (Uub~Uuo)元素...
[匿名]
回覆: 2
2008-07-11 7:11 pm
tautomerism and functional group isomerism
梁永亨
回覆: 3
2008-07-10 10:05 am
有鹼性電池咁有冇酸性電池嫁?
1
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