Uncle Michael

unoldman2000

回覆: 1

2006-12-27 9:09 am

化學問題兩條,俠士請進

[匿名]

回覆: 2

2006-12-27 7:02 am

help~~chem...optically active

ckt_hide

回覆: 1

2006-12-27 2:23 am

有關一支鐵釘和濃硫酸的反應

[匿名]

回覆: 2

2006-12-26 8:25 am

什麼時候應用什麼指示劑?

[匿名]

回覆: 1

2006-12-26 5:36 am

Anodization of aluminium~~答答我plz .

[匿名]

回覆: 1

2006-12-25 6:10 pm

what is the rate of hydrolyzed ?

guaeiogaeighi

回覆: 1

2006-12-25 9:17 pm

about molarity question I want details explanation thx..

tse

回覆: 3

2006-12-26 2:48 am

sulphuric acid

怡文

回覆: 2

2006-12-25 9:28 pm

PHY..............

怡文

回覆: 3

2006-12-25 9:40 pm

PHY..............

[匿名]

回覆: 2

2006-12-25 10:12 pm

interaction between molecules

[匿名]

回覆: 2

2006-12-18 11:42 am

化學問題 ozone

[匿名]

回覆: 2

2006-12-19 10:29 pm

請問那裡可以買到氯化鈷測試紙/袋

[匿名]

回覆: 2

2006-12-25 1:32 am

可口可樂+牛奶的問題

[匿名]

回覆: 2

2006-12-25 4:49 am

漂白水加醋會有毒嗎?

Sken

回覆: 2

2006-12-25 5:38 am

ductite 和 malleable 的分別是甚麼？

WENG CHI

回覆: 2

2006-12-25 12:49 am

急~~~~製二氧化碳

[匿名]

回覆: 4

2006-12-24 9:34 pm

氫氣點樣制造氨

[匿名]

回覆: 1

2006-12-19 5:07 am

F4 chem anodization問題~~~搵人幫幫我丫~

victor

回覆: 3

2006-12-19 5:44 am

carbon′s crystallize form

J

回覆: 1

2006-12-22 11:45 pm

元素週期表中，為何會有兩列元素突出來？

Waiiki

回覆: 1

2006-12-23 12:53 am

化學英文名稱

kyng

回覆: 2

2006-12-23 12:44 am

醇分餾--分餾柱--作用

kyng

回覆: 2

2006-12-23 12:53 am

醇-酸-酯化-加入浮石-作用

kwan

回覆: 1

2006-12-23 1:53 am

Displacement

Linda

回覆: 1

2006-12-23 12:54 am

why white phosphorus should be store under water?

Waiiki

回覆: 2

2006-12-23 1:05 am

英文化學名稱

2003

回覆: 1

2006-12-22 11:49 pm

salt.

kyng

回覆: 3

2006-12-22 10:54 pm

Chem1---what mean 酸化

2003

回覆: 1

2006-12-22 11:43 pm

acid.

2003

回覆: 1

2006-12-22 11:46 pm

alkali

kyng

回覆: 5

2006-12-22 10:58 pm

{-O-H}是`羥基`定係`氫氧基`

用戶199059

回覆: 1

2006-12-22 7:02 pm

covalent compound----H2O

J2

回覆: 5

2006-12-22 5:58 pm

為甚麼蘋果會生鏽?

unoldman2000

回覆: 2

2006-12-21 3:39 am

俠士前入,化學4題(help)

58426

回覆: 2

2006-12-21 8:01 am

關於word既問題!!急!!10分!!!

2003

回覆: 1

2006-12-21 4:04 am

about chemical cell

kingdom_just

回覆: 1

2006-12-21 4:25 am

chem* moles

用戶177413

回覆: 1

2006-12-18 4:17 am

chem 問題...........

kwan

回覆: 1

2006-12-18 2:44 am

reacting mass 高手快來

[匿名]

回覆: 2

2006-12-17 10:14 pm

chem acid base equilibrium (III)

[匿名]

回覆: 4

2006-12-17 9:47 pm

點解calcium唔係group1 metal，但react with water會give out hydrogen?

felixytf

回覆: 2

2006-12-17 6:40 am

Anodizing and Ionization

Kevin

回覆: 2

2006-12-16 11:26 am

白金同黃金有咩分別?

用戶95539

回覆: 2

2006-12-16 7:45 am

Any websites that include the details of every element?

kint

回覆: 3

2006-12-15 2:50 am

硝酸銀一問..唔該!

2003

回覆: 1

2006-12-15 6:08 am

dative covalent bond

2003

回覆: 2

2006-12-15 5:46 am

giant metallic bond

栗子

回覆: 2

2006-12-15 4:13 am

chem..+phy. intermolecular force同萬有引力

Ng

回覆: 2

2006-12-14 9:59 am

H2SO4