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  1. iKhaled

    Chemistry: Post your doubts here!

    what's a chemical test for ammonia gas?
  2. iKhaled

    Chemistry: Post your doubts here!

    i just wanna ask, when u r given concentration in g/dm^3 how can u change it into moles/dm^3 ?
  3. iKhaled

    Chem 11

    i only found like 2 or 3 questions from past papers only but the rest of the questions were different than past papers, even the styles of the questions and the organic part was completely different than all the past papers i dont even remember how i did in the organic part lol..
  4. iKhaled

    Chemistry: Post your doubts here!

    because they didn't just say the no of electrons in the outer shell, right? they meants the total no of electrons in the whole ion eh?
  5. iKhaled

    Chemistry: Post your doubts here!

    this is the trickest question i have ever seen in my whole life ;o
  6. iKhaled

    Chemistry: Post your doubts here!

    guys i have found a mistake in the mark scheme of may june 11 paper 11 Oo question 37, the answer is B? how come and an ammonium ion only has 8 electrons :S:S:S:S:S
  7. iKhaled

    Chemistry MCQ Skype Session

    lets skype about chemistry?
  8. iKhaled

    need serious help with chem!! :/

    i need to know all the reactions involving sulphuric acids with hydrocarbons and the reactions of hydrocarbons with sodium hydroxide they always ask these kind of questions in paper 1 and i just cant understand them :(
  9. iKhaled

    Chemistry MCQ Skype Session

    r u still doin that skype group?
  10. iKhaled

    Why bother

    y mad bro? was math today tooo hard for ya or what :P ?
  11. iKhaled

    Mathematics: Post your doubts here!

    that functions part which u just explained to me..
  12. iKhaled

    Mathematics: Post your doubts here!

    Oo is there a link to that explanation :S:S ?
  13. iKhaled

    Mathematics: Post your doubts here!

    need help...M/J 09 Q10, part ii and iv? :S hate functions from my heart!! :@ http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s09_qp_1.pdf
  14. iKhaled

    Mathematics: Post your doubts here!

    tankkkkk uuuuuuuuuu :D
  15. iKhaled

    Mathematics: Post your doubts here!

    its ok..sorry if i am annoying u but is it 9-3 cuz it didnt start from 0?
  16. iKhaled

    Mathematics: Post your doubts here!

    thank you so much..but dude what do u mean by "a - 9 therefore 3=6"..didnt get that
  17. iKhaled

    Mathematics: Post your doubts here!

    i am stuck in the all of the question :(
  18. iKhaled

    Mathematics: Post your doubts here!

    need help in P1 maths M/J 2009.. Q4?? http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_s09_qp_1.pdf Plss helpp meeee.. thanks
  19. iKhaled

    Chemistry: Post your doubts here!

    hey guys..i need help in question 1 in may/june p1 http://www.xtremepapers.com/papers/...d AS Level/Chemistry (9701)/9701_s04_qp_1.pdf this q drove me crazy Oo
  20. iKhaled

    Chemistry: Post your doubts here!

    ting ting ting..thats what my brain responded..got it now thank uuuu bro u owwwnn :)
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