用戶: 用戶221652 - Ans.fyi 參考答案

Yu Yun Norman

回覆: 1

2008-01-30 5:01 pm

有機揮發物在真空狀態下會否繼續釋放

Kyy010203

回覆: 1

2008-01-26 5:43 am

IS Q&A

用戶13774

回覆: 1

2008-01-24 7:25 am

磁鐵礦一問

[匿名]

回覆: 2

2008-01-23 8:40 pm

Make an Acid Indicator

用戶85377

回覆: 1

2008-01-19 7:56 pm

A Chemistry MC Question

Kyy010203

回覆: 1

2008-01-23 2:38 am

Wind(IS question)

用戶142080

回覆: 2

2008-01-23 7:40 am

我想知道關於ozone layer破洞的反應

[匿名]

回覆: 1

2008-01-23 2:28 pm

Inman Aligner

Chak Hung

回覆: 1

2008-01-23 3:36 am

哥士的一问

用戶36943

回覆: 2

2008-01-23 3:21 am

universal indicator & pH paper

queenie

回覆: 1

2008-01-19 7:23 pm

請問PET與PETG的分別在那裡?

gersang

回覆: 1

2008-01-22 6:24 am

活性碳可以吸附那些有害氣體?

[匿名]

回覆: 1

2008-01-22 4:49 am

URGENT!!! 關於sodium acetate 同hot ice....

A student

回覆: 1

2008-01-21 12:59 am

How do Chromium oxides oxidize sulphurous acid

[匿名]

回覆: 1

2008-01-21 6:42 pm

藥 - 成份 - 用途

[匿名]

回覆: 1

2008-01-20 5:37 am

如何由佳德樂變成螢光水?附有網址

june

回覆: 1

2008-01-19 3:27 am

什麼是雲母岩???快答...急要知!!!!!!!!!!

用戶157787

回覆: 3

2008-01-18 9:37 pm

化學高手請入

大人

回覆: 1

2008-01-17 6:32 am

想問一個chem既experiment

用戶52666

回覆: 2

2008-01-18 9:18 am

化學問題, 多多指教

[匿名]

回覆: 1

2008-01-16 9:00 am

oxidation of vanadium(ll) to vanadium(lll) and no further

yuyu

回覆: 2

2008-01-17 5:03 am

工業鹽與食用鹽有什麼分別?

[匿名]

回覆: 1

2008-01-17 6:43 am

如何提煉硫化銅礦石成電解銅？

讀牌人

回覆: 1

2008-01-16 3:47 am

which of the following hazard warning labels

[匿名]

回覆: 1

2008-01-12 4:21 am

１題化學題

泡菜喪男GSH

回覆: 1

2008-01-15 4:46 am

N Size電池的用途

[匿名]

回覆: 1

2008-01-15 8:22 am

如何使用高錳酸鉀(Potassium Permanaganate)淨水?

A student

回覆: 1

2008-01-14 9:27 pm

eletrolysis of concentrated salt water

[匿名]

回覆: 1

2008-01-11 9:53 am

Synthesis of tetraamminecopper(II) sulphate(VI) monohydrate

krishhho2000

回覆: 1

2008-01-14 6:15 am

Chemical test for heavy water

emily

回覆: 1

2008-01-11 3:03 am

Use Chemical test to distinguish between the compounds

[匿名]

回覆: 1

2008-01-10 11:34 pm

點解NH4Cl溶於水會係吸熱反應?

[匿名]

回覆: 1

2008-01-10 10:53 pm

有關H2和O2的反應一問~

Peter

回覆: 1

2008-01-10 1:25 am

除了循還再用編號1(PET)2(HDPE)的水樽可以循還再之外

用戶46401

回覆: 1

2008-01-08 10:27 pm

Diastatic VS Non-Diastatic Malt

[匿名]

回覆: 1

2008-01-06 6:37 am

急.......急.......利用甘油同灰猛氧製二氧化碳ge方程式係咩呀??

[匿名]

回覆: 1

2008-01-08 7:04 am

蛋的磷脂質分子是約幾大?

[匿名]

回覆: 1

2008-01-07 12:53 am

邊到有metol賣?

[匿名]

回覆: 1

2008-01-04 7:00 am

材料科學工程(化學)的問題!! 可以請高手幫我的忙嗎?

[匿名]

回覆: 2

2007-12-26 8:43 pm

白粉對人的影響

用戶171045

回覆: 1

2008-01-01 6:10 am

關於半導體的問題

用戶21117

回覆: 3

2008-01-04 5:10 am

十分難的chem問題,我相信冇人會識,helpme化學高手

Calvin

回覆: 1

2008-01-04 3:11 am

關於sp3 hybridization

用戶116093

回覆: 2

2008-01-03 7:53 am

glucoside係咩??

ChunHo

回覆: 2

2008-01-02 11:54 pm

化學!可否講我知係點做出來的!??

[匿名]

回覆: 1

2007-12-30 6:32 pm

2 limitation of octet rule,pls

用戶50044

回覆: 2

2007-12-29 5:31 am

我想問oxide系吾系等於oxygen+carbon dioxide?

Wilson

回覆: 1

2007-12-28 4:24 am

intensive property and extensive property

[匿名]

回覆: 1

2007-12-24 5:02 am

55度的高梁酒是屬極性較重或非極性較重?

Tina

回覆: 1

2007-12-26 10:42 pm

我想要關於碳酸鈉的資料