2003

2003

回覆: 2

2014-01-04 6:05 am

separating funnel 問題

2003

回覆: 1

2013-10-06 5:17 am

measure enthalpy change

2003

回覆: 6

2013-07-31 10:14 pm

微波爐飯盒個蓋叮到彎左有咩辦法

2003

回覆: 2

2013-07-09 9:01 pm

我整左個網站, 點upload上server?

2003

回覆: 3

2013-07-01 1:10 am

點解電池要加mercury

2003

回覆: 1

2013-06-30 10:04 pm

點解burn Mg有brilliant flame?

2003

回覆: 6

2013-06-18 4:12 am

雲其實係咩黎?

2003

回覆: 2

2013-06-18 4:10 am

點解洗潔精會有泡?

2003

回覆: 2

2011-05-24 3:59 am

[求救]裝唔到window live msn 11

2003

回覆: 2

2009-07-12 2:00 am

peoples來電轉駁

2003

回覆: 1

2009-07-10 7:38 pm

轉移電話點解會指令錯誤?20分

2003

回覆: 1

2009-07-09 3:48 am

點解空氣入面要有八成係nitrogen?

2003

回覆: 2

2009-07-08 9:33 pm

solubility of halogen in organ

2003

回覆: 5

2009-07-08 8:45 pm

atom係咪已經係最小的particle?

2003

回覆: 3

2009-07-08 8:43 pm

element同atom有咩分別?

2003

回覆: 3

2009-07-07 3:17 am

我唔係好明D科學家點解可以知道有proton,neutron

2003

回覆: 2

2009-06-06 3:50 am

幾時係debit?幾時係credit?

2003

回覆: 1

2009-05-23 7:42 am

文憑是甚麼是甚麼是甚麼?

2003

回覆: 3

2009-05-19 6:31 am

數學算唔算科學的一種?

2003

回覆: 1

2009-05-10 6:52 am

MB ChB stand for?

2003

回覆: 2

2009-05-03 1:55 am

Fe2+同hot HCl有咩reaction?

2003

回覆: 2

2009-04-24 7:14 am

partition coefficient+comlex

2003

回覆: 1

2009-04-24 7:10 am

nucleophilic addition by CN-

2003

回覆: 1

2009-04-20 11:55 pm

rusting

2003

回覆: 1

2009-02-23 5:14 am

[20分]用唔到itunes的podcast

2003

回覆: 1

2009-02-14 3:56 am

hygroscopic同deliquescent有咩分別?

2003

回覆: 2

2009-01-30 2:57 am

Casio FX-50FH 入式

2003

回覆: 1

2009-01-19 6:35 am

nitrate

2003

回覆: 1

2009-01-19 6:34 am

heating nitrate

2003

回覆: 1

2009-01-12 10:54 pm

H+burning split點解會有pop sound?

2003

回覆: 1

2008-11-01 9:11 pm

in recrystallization, why minimum amount of solvent is used?

2003

回覆: 2

2008-10-20 6:50 am

iodoform test

2003

回覆: 1

2008-10-07 3:28 am

haloalkane2

2003

回覆: 2

2008-09-25 1:06 am

haloalkane

2003

回覆: 1

2008-09-17 5:43 am

reactivity and stability of alkene

2003

回覆: 1

2008-09-15 11:52 pm

why allene is more unstable than alkyne?

2003

回覆: 2

2008-09-15 11:49 pm

Why C6H5O- is a stronger nucleophile than CH3CO2-?

2003

回覆: 2

2008-09-12 6:40 am

ammonia and hydrogen fluoride

2003

回覆: 1

2008-09-12 2:36 am

organic acid

2003

回覆: 2

2008-09-09 6:00 am

wt's diffence between strong nucleophile and strong base?

2003

回覆: 1

2008-09-08 1:42 am

why M effect is stronger than I effect?

2003

回覆: 2

2008-09-07 12:09 am

接載 英文係咩咩咩咩咩?

2003

回覆: 1

2008-09-06 6:04 am

magnetic field

2003

回覆: 1

2008-09-05 8:49 am

幕後代唱英文係咩?(北京開幕禮)

2003

回覆: 4

2008-09-02 10:04 pm

電視節目的主持人英文?

2003

回覆: 1

2008-09-02 9:44 pm

拍廣告英文係咩咩咩咩咩?

2003

回覆: 1

2008-09-02 7:04 am

magnetic field

2003

回覆: 1

2008-08-25 11:56 pm

Why NH3 is a stronger nueleophile than H2O?

2003

回覆: 2

2008-08-24 3:31 am

isomer

2003

回覆: 1

2008-08-24 3:30 am

aromatic compound/enthalpy of hydrogenation