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  1. H

    i heard that questions from nov 98 and j 2000 will come chem

    Re: i heard that questions from nov 98 and j 2000 will come the paper was damn easy!! evn if u havnt seen it ull get an A inshAllah!! stop panicking ppl jus review everything nd giv the xam wid a chilld mind!
  2. H

    HELP ME OUT WID CHEM P2

    difference between electronegativities of the constituent elements make a molecule polar or non-polar in a nitrogen molecule 2 nitrogen atoms are held together by a triple covalent bond which requires a very high activation energy to break it. enthalpy change of solution: it is the enthalpy chng...
  3. H

    Drawing Argand diagrams Math P3

    u dont need graph paper for p3.
  4. H

    HELP maths P3!

    thx ALOT anam!!!!! it really helpd!
  5. H

    HELP maths P3!

    can anyone plz explain how to draw the diagram for q7 part iv of nov09/31??
  6. H

    maths p62

    plz pm me if ny1 has givn the ppr by now!
  7. H

    PERMUTATION COMBINATION-HELP needeed

    since the 2 E's that are to be together are identical letters, they are just equivalent to one E and the word can now be considered as one of 6 different letters # of words possible = 6P6 = 6! = 720 lets hope some1 answers the rest soon!!
  8. H

    STATISTICS PROBLEM!!!!

    therz a very simple logic to continuity correction. if: P(X=n) =>P(n-0.5<X<n+0.5) P(X>n)=>P(X>n+0.5) P(X<N)=>P(X<n-0.5) P(X<=n)=>P(X<n+0.5) P(X>=n)=>P(X>n-0.5) jus memorize nd apply!! thts wot i do!
  9. H

    youtube also banned :( after the chem practical

    after 3 years every1 here wud b done wid their alevlz! :D
  10. H

    Chemistry P33 Anions/Cations

    Cu2+, NH4+, Mn2+
  11. H

    MATH 9709 62 (Statistics)

    its already there in the formula book.
  12. H

    Chemistry P33 Anions/Cations

    http://www.chemguide.co.uk/inorganic/tr ... obalt.html its mentiond in the link but its not requird as test for cobalt is not part of syllabus
  13. H

    Chemistry P33 Anions/Cations

    hahaha i got dm all correct!!
  14. H

    Chemistry, Physics, Biology Paper 3 GUESS

    @BlackVelvet pm me too abt bio p33 plzzzzzz!
  15. H

    To those who princesszahra helped:

    pm me too plzz zahra for bio33..
  16. H

    S1 permutations question

    ur welcum!! do ask if u hav ny more doubts?? itll help me out as well :)
  17. H

    S1 permutations question

    for that u wil first have to find out how many four letter combinations can be made from the word which are: SSSS, SSSP, SSSO,SSSE, SSPO, SSEE, SOPE, SPEE, POEE, SSEP, SSOE, SOEE.. which means there are in total 12 combinations. Now you have to find out for each arrangement how many combinations...
  18. H

    BIOLOGY P2- URGENT

    no its not a part of syllabus nymore
  19. H

    phy p4

    ok guyz every1z talkin of predictions of all kinds of paperz but no1 thought of dis one so plz ny predictionz plz share i really need em!!!
  20. H

    Some P3 question from oct / november 2009

    Q1) using simple indices first split up 3^x+2 into 3^x * 3^2 then 3^x * 3^2= 3^x + 3^2 getting common terms on one side we get.. 3^x(3^2-1)=3^2 which is 3^x(8)=9 therefore we get 3^x=9/8 which can then be solved by using ln xln3=ln(9/8) so x=ln(9/8)/ln(3)
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