Uncle Michael

2003

回覆: 1

2007-03-03 11:07 pm

redox

yuen chi

回覆: 1

2007-03-03 9:29 pm

chem*v*中文答

2003

回覆: 2

2007-03-03 5:14 am

aluminium anodization

食蕉Banana

回覆: 1

2007-03-03 5:51 am

點解pH值個p字要小寫ga???

kintatw

回覆: 1

2007-03-03 2:10 am

電解用pt 做極問題

[匿名]

回覆: 1

2007-03-02 6:46 am

Lather與Foam的分別

Alpha W

回覆: 2

2007-02-25 5:27 am

什麼因素會影響酸鹼度的值?

chun yu

回覆: 2

2007-02-19 9:19 pm

phy 2 問~thx~

用戶92111

回覆: 2

2007-02-19 6:17 pm

Chemistry......MC ...要解釋

2003

回覆: 2

2007-02-18 9:25 pm

potassium permanganate

2003

回覆: 1

2007-02-18 9:25 pm

preparation of oxygen gas in laboratory

2003

回覆: 3

2007-02-18 9:24 pm

nitrogen oxide

ho yee

回覆: 2

2007-02-17 5:21 am

CHEM IONIC EQUESTION2

bowieyue2004

回覆: 1

2007-02-16 6:47 pm

colorimetry

用戶128130

回覆: 5

2007-02-16 6:22 am

i want to ask Cu and CuO when add con.H2SO4時係米會both都會出SO2

[匿名]

回覆: 2

2007-02-15 8:12 pm

香港電燈公司和中華電力有限公司分別使用哪種化右燃料來發電?

用戶113145

回覆: 2

2007-02-13 5:43 am

Free radical 一問

aiko

回覆: 1

2007-02-14 12:52 am

order of reaction of the decomposition of hydrogen peroxide

secret

回覆: 3

2007-02-15 1:27 am

關於chem的幾條會考MC,,麻煩大家幫幫手

kit

回覆: 1

2007-02-15 2:10 am

reacting mass

KinSan

回覆: 2

2007-02-12 11:31 pm

點解咁都發到電?

YA! HOO!

回覆: 1

2007-02-13 4:00 am

which equcation of acid-base reactions occur in non-aq?

怡文

回覆: 1

2007-02-14 8:39 pm

Phy...........

Kin Yung

回覆: 1

2007-02-14 2:49 am

Help!!

[匿名]

回覆: 2

2007-02-14 5:47 am

Energetics (能量學)

Ned

回覆: 3

2007-02-12 1:17 am

concentration of solution (chem)

Edward

回覆: 2

2007-02-11 8:05 pm

Catalyst........

用戶153708

回覆: 1

2007-02-11 6:10 pm

What is the IUPAC name of streptimidone?

Lyon

回覆: 1

2007-02-11 3:44 am

我想知點樣製造到Cl出黎

[匿名]

回覆: 2

2007-02-10 8:07 am

食醋放在熱水浴中, 離子會否因熱而少了?

用戶36244

回覆: 2

2007-02-09 6:10 am

Indicators for titration and its end-point

Ken

回覆: 2

2007-02-09 5:12 pm

天然氣一問?

thedanly

回覆: 1

2007-02-09 6:32 am

離解和電解有沒有分別？

kwan

回覆: 1

2007-02-09 5:03 am

What is the chemical equation?

kwan

回覆: 3

2007-02-09 2:54 am

這條equation對不對?

用戶4188

回覆: 1

2007-02-08 7:51 am

Chem問題...急急急急!!!pls help!!

simon

回覆: 2

2007-02-08 7:31 am

化學PYRIDINE經常出現在反應中，其指甚麼

2003

回覆: 1

2007-02-08 5:19 am

electrical conductivity of ionic compound

Thomas Ho

回覆: 1

2007-02-08 5:40 am

為什麼把碳酸氫納 , 檸檬酸 放在水中時會出現泡騰現象?

manyu_1029

回覆: 1

2007-02-08 1:45 am

蠟燭發電?

woodizz

回覆: 2

2007-02-07 5:47 am

洗米水可否防生鏽?

po ting

回覆: 1

2007-02-07 2:16 am

有冇人知Butan-1-OI既boiling point 係機多(at standard pressure) ??

用戶35142

回覆: 3

2007-02-07 7:14 am

唔明hybridization...plz help

KanT

回覆: 3

2007-02-05 5:37 am

有normal salt ,有acid salt..咁有冇alkali salt

Puiki Chan

回覆: 1

2007-02-05 11:38 pm

chemicaｌnames

用戶78867

回覆: 1

2007-02-06 2:41 am

有d咩酸和鹼的pH值可以達到0和14?

2003

回覆: 1

2007-02-07 1:00 am

con. sulphuric acid & alkene

goodaskmansir

回覆: 1

2007-02-07 1:44 am

Chemistry Stoichiometric Problems~~

2003

回覆: 1

2007-02-03 8:27 pm

bonding

2003

回覆: 1

2007-02-03 8:27 pm

molecule