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  1. Dsilentkila

    Amazing notes for physics paper 6!!

    Ameen! ur awesome ! one lil question . M/J 2010, q4, b(iv) onwards. i dont get it. Thanks in advance :)
  2. Dsilentkila

    Chemistry Doubts: IGCSE Paper 3

    $alam$ people. anybody knows which years had the toughest past papers , or a paper which tests u for wide range of topics? wana test myself :)
  3. Dsilentkila

    TOUGHEST CHEMISTRY Paper 3 ?!

    $alam$ people. anybody knows which years had the toughest past papers , or a paper which tests u for wide range of topics? wana test myself :)
  4. Dsilentkila

    Chemistry Doubts: IGCSE Paper 3

    do all polymerisation reactions require a catalyst ?
  5. Dsilentkila

    Chemistry Doubts: IGCSE Paper 3

    Wow man, thanks a heaven of a lot, thats some clear cut explanation. anyways we do this when they say draw right, what if they say write the structural formual? this what should be written right? CH3-CH=CH-CH2-Ch3. thanks again man
  6. Dsilentkila

    Physics paper 6 2012 + chemistry paper 2 2012 discussions

    thanks alooooot :D ya'll are awesome.
  7. Dsilentkila

    Chemistry Doubts: IGCSE Paper 3

    ei brodas. lil help. Can some one pls differentiate between structural formulas and normal formulas ( in organic chemistry) i really dont now what to do in Draw/ write structural formualas. thankies in advance
  8. Dsilentkila

    Physics paper 6 2012 + chemistry paper 2 2012 discussions

    wow , cool stuff in here. 1 question. Pls tell me anything i need to know aboutPINS, i dunno anything about them :(
  9. Dsilentkila

    bio in 2 hours!!!

    bio in 2 hours!!!
  10. Dsilentkila

    IGCSE PHYSICS, CHEMISTRY, BIOLOGY NOTES!

    G Great notes, especialy BIO!
  11. Dsilentkila

    Biology paper 3

    this one is strainght out of the notes out of http://www.xtremepapers.com/community/threads/igcse-physics-chemistry-biology-notes.14611/ "Negative feedbackis where, when the hypothalamus has made your skin take action to increase heat loss, info about this is fed back as the drop in blood...
  12. Dsilentkila

    Biology paper 3

    not really good in bio, but from my understanding of negative feedback u could go like... The receptors in the skin send impulses to the brain when the body temp is above(or below) normal , the brain sends impulses to effectors to act in order to(oppose the change and) bring back the...
  13. Dsilentkila

    Biology paper 3

    thnks browski, ur great
  14. Dsilentkila

    Biology paper 3

    what exactly is negative feedback?
  15. Dsilentkila

    Biology paper 3

    Self Pollination. -smaller number of pollen grains need to be used as there is a higher chance of successful pollination.(this increases the chance of fertilization andseed formation) -Less variation in offspring , so self pollinated plants are less likely to cope with adapting to changing...
  16. Dsilentkila

    Biology paper 3

    thanks alot bro :)
  17. Dsilentkila

    Biology paper 3

    yep exactly fellow assassin , fermenters ..
  18. Dsilentkila

    Biology paper 3

    aight, somebody lemme know what i have to know about BIOREACTERs and enzymes.. i got A* for my mocks but dont know anything about the working of bioreacters :P thanks in advance
  19. Dsilentkila

    hey, anyway of getting variant 3? thanks anyways. hope u did great

    hey, anyway of getting variant 3? thanks anyways. hope u did great
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