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  1. KurayamiKimmi

    Any advice How not to waste time on XPC... ?

    Glad i could be of help ^_^
  2. KurayamiKimmi

    Any advice How not to waste time on XPC... ?

    If you always "get caught up in the convo" then you are a goof XD here's another solution : http://www.hacktrix.com/easiest-way-to-block-websites-like-orkut-myspace-facebook-twitter-on-your-computer This site explains how to block xtremepapers so you dont waste time here
  3. KurayamiKimmi

    Any advice How not to waste time on XPC... ?

    If you cant stop socializing then at the very least change the way you socialise here. For ex if you goof around in "chat" then instead try helping other igcse members by solving their doubts in the igcse forum ,or by asking your doubts . This way even if you do socialise , itll atleast be of...
  4. KurayamiKimmi

    Nope sorry :/ I bid good riddance to maths a year ago !! XD

    Nope sorry :/ I bid good riddance to maths a year ago !! XD
  5. KurayamiKimmi

    Chemistry: Post your doubts here!

    our values are close then :) coz i got 69-->rounded to 70
  6. KurayamiKimmi

    Chemistry: Post your doubts here!

    does anyone remember thier value for percentage purity ?=O (paper33)
  7. KurayamiKimmi

    Chemistry: Post your doubts here!

    oh =\ i had 12
  8. KurayamiKimmi

    Chemistry: Post your doubts here!

    can anyone explain the method of doin part c of Q no 2 http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w10_qp_33.pdf
  9. KurayamiKimmi

    Chemistry: Post your doubts here!

    what paper was yours =O
  10. KurayamiKimmi

    Chemistry: Post your doubts here!

    yes you did (y) ^_^ thanks a lot
  11. KurayamiKimmi

    Chemistry: Post your doubts here!

    thanks ^^ yes its C ..so how do you do it ?
  12. KurayamiKimmi

    Chemistry: Post your doubts here!

    S has poor conducitivity when solid but conducts well in liquid state=must bean ionic compound S has a mp of2800--this shows us that it has to MgO because in the course we are given the estimate mp of MgO (2000C) T has a good conductivty in the solid state-so : it cant be Sio2 or diamond...
  13. KurayamiKimmi

    Chemistry: Post your doubts here!

    i'll try ^^
  14. KurayamiKimmi

    Chemistry: Post your doubts here!

    zone 4 ?=D
  15. KurayamiKimmi

    Chemistry: Post your doubts here!

    help....anyone?:cry:
  16. KurayamiKimmi

    Chemistry: Post your doubts here!

    glad i could help ^^
  17. KurayamiKimmi

    Chemistry: Post your doubts here!

    exothermic-so should be decreased
  18. KurayamiKimmi

    Chemistry: Post your doubts here!

    http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w10_qp_11.pdf Can anyone Please solve questions 5-10-12-21? pretty please ^^
  19. KurayamiKimmi

    Chemistry: Post your doubts here!

    N : P :K ratio 15:30:15 percentage nitrogen =(15/15+30+15) =0.25*100 25% of fertiliser;s mass is Nitrogen reccommended usage is 14g % of nitrogen in this =(25/100)*14 mass of nitrogen=3.5 g no of moles =mass/Mr =3.5/14*2=0.125 concentration of N=0.125/5=0.025=0.03
  20. KurayamiKimmi

    Chemistry: Post your doubts here!

    yea but sometimes the marking scheme can also be wrong -(its made by humans afterall;)) and besides you just can't agree to option D -its absurd!
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