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  1. ahmed abdulla

    Chemistry and Biology Paper 34 ONLY

    biology 34 ..any one has information about it ???
  2. ahmed abdulla

    AS (Biology) P1 MCQs Preparation Thread.

    hi .. i saw many threads relating chem and phy ..paper1 .. but never went throught biology .. so here is the thread for discussing some questions and doubts ,,,
  3. ahmed abdulla

    Chemistry: Post your doubts here!

    as per your equation .. p-r .... shouldnt it be -88-(+7) =-95 ... or did u add them ?
  4. ahmed abdulla

    Chemistry: Post your doubts here!

    thanks aloot bro ... now at the end of the AS year .. i dont think i need this for paper 1 ! it takes time
  5. ahmed abdulla

    Chemistry: Post your doubts here!

    can someone help me with HESS LAW ... i always get stuck here in drawing , in getting answers ? ... Q ) Iodine trichloride, ICl3, is made by reacting iodine with chlorine. I2(s) + Cl2(g) → 2ICl(s) ; ΔH o = +14 kJ mol–1 ICl(s) + Cl2(g) → ICl3(s) ; ΔH o = –88 kJ mol–1 By using the data above...
  6. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    ?
  7. ahmed abdulla

    Chemistry: Post your doubts here!

    yep ;)
  8. ahmed abdulla

    Chemistry: Post your doubts here!

    but didnt they say for NaN3 .. ? y we used the total moles produced of N2 ?
  9. ahmed abdulla

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s05_qp_1.pdf q 2 ..
  10. ahmed abdulla

    Chemistry and Physics AS paper 12 MCQS

    i should say thank you :) both of ur anwers are right my doubt is how did u now that r1 and r3 have a same voltage of 2v ? 2nd question.. after finding K value in first case ... did u substitute it in the new scenario .... and shoudnt the equation be K=3W/x?
  11. ahmed abdulla

    Chemistry: Post your doubts here!

    bro .. i posted the WRONG year ! its 2004 .. sorry for that ... http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s04_qp_1.pdf q8 .... i kept thinking from wr the calcium :p any way can u help me out with this
  12. ahmed abdulla

    Chemistry and Physics AS paper 12 MCQS

    ?
  13. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    any one help ?
  14. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    bro how do u attach files ?
  15. ahmed abdulla

    AS BIOLOGY P-33

    bro ... did any question involving microscope came? i mean did u use eyepice/stage micrometer in exam
  16. ahmed abdulla

    AS BIOLOGY P-33

    bro... did any question involving microscope came ... i mean measuring LENGTHS of some specimen of slide using the eyepiece graticule and stagemicrometer PRATICALLY ..not in diagram as in oc/nov2012 ...? if u can get ur hands on bio paper 34 .. that will be really greatfull !
  17. ahmed abdulla

    AS Chemistry Practical - Paper 34

    now when do we have to stop adding acid ?? wat colour should it exacly be? A pic will be a big help
  18. ahmed abdulla

    AS Chemistry Practical - Paper 34

    its already orange ? so how its so how endpoind will be also orange :P
  19. ahmed abdulla

    AS Chemistry Practical - Paper 34

    sis where are u ?? we are dieing here for a reply from u !! plz hurry ?
  20. ahmed abdulla

    AS chemisry practical 34 :{}

    our exams are going to start after around 8 hours .. some thing happened to community which blocked us from getting informations.. if any one has any idea of what is going to come plz share it ..?
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