化學

點睇hybridization?? (4)
organic chem (4)
誰有05 CE paperII Ans? (0)
..邊度有題目-0-[中和的溶量計算] (11)
redox eq (4)
點讀好化學? (19)
咩係luminosity(關於flame戈課入面...) (3)
Acid~~ (4)
Titration problem (1)
AL chem,indirect iodometric 原理 (1)
potassium hydrogenphthalate (0)
#########有野問########## (1)
Duralumin (2)
Methanol (14)
有冇人知Suger係有邊D element? (12)
有冇人知原子筆入面o既ink係咩唻? (2)
CO - Carbon Monoxide (15)
What is the Lewis structure of N10 (6)
cathode & anode (3)
Quantum Chemistry (4)
有冇人識rate of reaction? (3)
有無人知呢隻係乜~!? (8)