Click on the links to begin.
Go ahead.
:D
 info
url: http://four-sevenonline.blogspot.com
class: Four Seven. year: 2008 Teachers love, adore & want us ! |
|
||||
|
Click on the links to begin. Go ahead. :D |
birthdates
Jan: Vigesh R (14/1), Tang Hao (24/1)
Feb: Kok Haw (5/2), Qing Gu (18/2), Sze Ming (27/2), Sopon (29/2) Mar: Xiao Ting (11/3), Meng Kiat (15/3), Serene (20/3) Apr: Stephanie (5/4), Xin Yi (10/4), Iris (11/4), Woon Yong (12/4), Premala (16/4), Wei Long (24/4) June: Siok Kan (5/6), Husaini (16/6) July: Chun Kiang (2/7), Jeremy (7/7), Quan Zhong (10/7), Adam (13/7) August: Sadiqin (14/8), Wei Jie (21/8) Sep: Si Chao (4/9), Zhen Yu (8/9), Wei Zhen (22/9), Sum Yin (29/9) Oct: Tak Yan (1/10), Jie Qi (13/10), Cheng Yiin (27/10) Nov: Calvin (2/11), Ying Lun (13/11), Amanda (25/11), Yong Kai (25/11), Wei Xin (26/11), Yu Yan (30/11)
Dec: Kenny (2/12), Joseph (7/12), Wei Zhang (23/12) |
5539868226132117109 date: Thursday, January 3, 2008 time: 8:31 PM comments: 0
I bet everyone's grumbling that the Chemistry worksheet is real tough.
comment?
Below are answers to the exact questions which I found it in my guidebook. (Only meant for checking of your answers, not copying!) Paper 1 Question 1: B Question 2: A Paper 3 Question 1: (a) (i) Barium sulphate (ii) Iron (II) hydroxide (iii) Iron (III) hydroxide (iv) Iron (II) sulphate (b) FeSO4 + 2NaOH = Fe(OH)2 + Na2SO4 Section B Q1. A2+ = zinc ion B2+ = copper (II) ion C = zinc hydroxide D = copper (II) hydroxide E = copper (II) sulphate solution (b) Cu(OH)2 + H2O4 > CuSO4 + 2H2O (c) Do yourself. 2. (a) (i/ii) used for production of fertilizers, manufacture of nitric acid. (bi) A - sulphuric acid B - barium sulpahte C - ammonium sulphate D - ammonia gas (bii) (NH4)2SO4 (aq) + 2NaOH (aq) > Na2SO4 (aq) + 2NH3 (g) + 2H2O (l) Wrong answer, go sue the publisher. Kok Haw |
archives
November 2007
December 2007
January 2008
February 2008
March 2008
April 2008
May 2008
June 2008
July 2008
August 2008
September 2008
October 2008
November 2008
December 2008
January 2009
February 2009
March 2009
recently
Season Greetings my friends,Ho Ho Ho......Merry X'...
Here's a new list !~Who will be crowned the most e... Ah yes, here comes that time of the year.And I'll ... So our class is emo ?Xmas is nearing my dear frien... For all moderators,Please do make it a point that ... A brand new look, arise a brand new image of 4/7.... hu wan to go n catch a movie on thurs : national t... Hey guys & gals,i've taken a look at the class tem... Hey pals `here are the updates on the homeworks/Am... Shall we let the dispute in the TAGBOARD come to a... |
links
|
tagboard
|