用戶122191

[匿名]

回覆: 2

2009-02-22 8:17 pm

Facts about Sulphuric acid

疑惑

回覆: 2

2009-02-22 10:10 pm

F.3 Chemistry

SAM

回覆: 2

2009-01-14 7:03 am

21st Century Chemistry 2 P.53

用戶17508

回覆: 1

2007-11-08 2:28 am

請寫出所有化學物品的名稱、俗稱及其他詳細資料!!!!!!!

[匿名]

回覆: 2

2007-03-20 3:00 am

F.3 chemistry-- urgent!!!!!!!!!!!

[匿名]

回覆: 4

2007-03-09 2:03 am

唔知一句英文可以點講...

[匿名]

回覆: 3

2007-03-09 1:55 am

想問sleeping mark

子軒

回覆: 4

2007-03-09 1:46 am

尼龍(勁賞20!)

Lau

回覆: 2

2007-03-04 9:45 pm

chemical or physical change?

[匿名]

回覆: 2

2007-02-14 3:19 am

急:::裙下之臣講咩嫁?

用戶117653

回覆: 2

2007-02-20 10:14 am

大家新年有什麼好去處?

[匿名]

回覆: 3

2007-02-08 1:50 am

有d咩方法可以增快生鏽既速度?

[匿名]

回覆: 2

2007-02-03 7:19 am

Periodic table 中英對照

2003

回覆: 1

2007-02-03 6:54 pm

C-12 scale

SUP DOG

回覆: 2

2007-01-23 6:47 am

想improve chem!!

[匿名]

回覆: 2

2007-01-30 3:27 am

atom, particle , molecule 有咩分別?

Wai Kit

回覆: 3

2007-01-24 3:24 am

升中問題(善德)

[匿名]

回覆: 1

2007-01-28 10:15 pm

有關離子～（唔該幫幫手）

[匿名]

回覆: 1

2007-01-27 9:46 pm

我想問有關金屬在各方面的排列

[匿名]

回覆: 2

2007-01-27 9:48 pm

我想問各金屬的顏色??

kwan

回覆: 1

2007-01-24 8:29 am

分辨Gregory 真假

[匿名]

回覆: 1

2007-01-24 7:17 pm

Chem 問題-中英文對照

用戶49657

回覆: 2

2007-01-25 1:45 am

Element

恩樂

回覆: 1

2007-01-23 9:32 pm

"昇華特性"

hok shing

回覆: 2

2007-01-19 2:58 am

我E+讀中六,讀緊Pure Maths,Chem同CA,咁樣揀係唔係好怪?

用戶33104

回覆: 4

2007-01-19 2:56 am

幫我翻為英文!

Hon Pan

回覆: 2

2007-01-19 2:50 am

F.4 Chemistry "Reacting mass" 問題(1)

用戶106593

回覆: 2

2007-01-17 5:26 am

洗頭水一問!

bscat2005

回覆: 1

2007-01-15 7:43 am

我想知金屬的特性

[匿名]

回覆: 2

2007-01-16 1:58 am

肥皂是否越鹼性, 就越去油份?

[匿名]

回覆: 3

2007-01-16 2:06 am

為何肥皂在酸性環境下, 去油污能力會下降?

Chi Ying

回覆: 2

2007-01-16 2:53 am

有關pH value問題

HappiNess Is PerFume O-O

回覆: 2

2006-10-27 3:41 pm

有關嗎啡誤服