mari mengenal warna;

sblm type post yg sbnr, aku nk ucapkan,,,

Selamat Menyambut Ramadhan Al-Mubarak kpd korg sume ;)
**sape xcomplete 30hari, aku xbg duwet raye. haha(!) :D


back to the point, actually, post ni nk m'ajak korg sume buat revision psl CHEMISTRY. myb xbrp mmbntu sgt, tp, mne la tau soalan psl ni keluar en? :) okay, jom start.



Family Cu :

Cu ; Brown
Cuo ; Black
CuCO3 ; Green
Cu(NO3)2 ; Blue
CuSO4 ; Blue
CuCl2 ; Blue

Family Zn :

ZnO (hot) ; Yellow
ZnO (cold) ; White

Family Pb :

PbO (hot) ; Brown
PbO (cold) ; Yellow

Family Fe :

Fe2+ ; Green
Fe3+ ; Brown

Others :

Br2 > Br- = Brown > Colourless
I2 > I- = Brown > Colourless
NO2 gas ; Brown and Acidic
CO2 in WATER ; Colourless then Cloudy

**how to test CATION?
= by using NaOH or Ammonia solution

okay itu aje. selamat membuat ulangkaji semua! :) happy holidays too ;) **terawih jgn lupe :P

1 comments:

Anonymous said...

yaAllah, insaf aku online lame2. kau nih

August 22, 2009 at 2:42 AM  

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