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  1. IGCSEstudent2012

    IB Question bank 3rd Edition

    Hello everyone, I am seeking for a topic for my Extended Essay in Economics and I need a topic asap! I'm so confused and I have search a lot for it. Please help me by your suggestions and ideas. please!! Your help is very much appreciated! Thank You!
  2. IGCSEstudent2012

    "Not all those who wander are lost."--J.R.R.Tolkien

    "Not all those who wander are lost."--J.R.R.Tolkien
  3. IGCSEstudent2012

    Your're entirely bonkers. But i'll tell you a secret..all the best people are! ;)

    Your're entirely bonkers. But i'll tell you a secret..all the best people are! ;)
  4. IGCSEstudent2012

    good:P

    good:P
  5. IGCSEstudent2012

    IB Question bank 3rd Edition

    for bio/phy/chem/comp.sci. btw are you an ib student?
  6. IGCSEstudent2012

    IB Question bank 3rd Edition

    HELLO PEOPLE! :) Im new to IB so i really need some ideas for Group 4 project...ive already made a lot of efforts but the teacher doesnt like them:( pls suggest me some ideas YOUR HELP IS GREATLY APPRECIATED!!!!
  7. IGCSEstudent2012

    thankss!!

    thankss!!
  8. IGCSEstudent2012

    sory didnt get wat u said :P

    sory didnt get wat u said :P
  9. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    I'M DOOMED IN CHEMISTRYY!:cry:
  10. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    find moles of sodium azide=m/mr then look at the mole ratio....its 2:3 hence find moles by ratio method.
  11. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    Propanone has the molecular formula C3H6O. The enthalpy change of combustion of hydrogen is –286kJmol–1 . The enthalpy change of combustion of carbon is –394kJmol–1 . The enthalpy change of combustion of propanone is –1786kJmol–1 Using this information, what is the enthalpy change of...
  12. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    MJ 2012 P11 Q21 See Na react with OH of both acid n alcohol But Naoh reacts with acid only When these react with one OH it get a charge of -1 ...initially Na reacts with 3 Oh to -3.... That OH vould be of anyone of alcohol or acid.... Then Naoh reacts with one OH to give -1.... Now we know that...
  13. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    thanks a lot!
  14. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    its ok thanx!
  15. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    salvatore
  16. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    1597.2217 this is physicso_O...cx i also have p1 tomorrow.
  17. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_s11_qp_12.pdf question 17 and 16 please.....thnx 1597.2217
  18. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    Thanks..it helped!
  19. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w08_qp_1.pdf QUESTION 11 AND 34 PLEASE
  20. IGCSEstudent2012

    Chemistry and Physics AS paper 12 MCQS

    for s09 ques 13.. see the moment produced by the weight will be 900x0.2=180Nm the torque by F will be Fx1.2=180 hence F will be 150N
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