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  1. H

    Chemistry Paper 3: KI/ Starch question HELP!

    well oxidation no of I increases from -1 to 0 IF starch gives blue-black colur.....so means it has been oxidised or acting as a reducing agent
  2. H

    Biology Practical notes!!

    http://www.youtube.com/watch?v=WiFYRNcP ... re=related
  3. H

    qualitative analysis help...

    no man....ho i will know to test for a particular gas when i ll be testing with unknown solutions
  4. H

    M1 math

    w/2
  5. H

    bio practical....

    ...do u people hav performed past ppr questions for practicals in lab....i tried bt cud nt get the enzymes in lab....cud just do microscopy.. are u people performing every single practical in past pprs....wat i cn all do is that i m trying to solve them mentally...exams are near ....i am reading...
  6. H

    M1 math

    anyone else..
  7. H

    Biology Practical notes!!

    i searched it a lot hte other day bt cud not find any torrent or file share link
  8. H

    Plz urgent help needed on chemistry.!

    yeah chemguide excellent...u will nt find that revision guide.....i searched a lot on net...bio rev guide is available
  9. H

    M1 math

    now help me with last part
  10. H

    M1 math

    2000*.4
  11. H

    qualitative analysis help...

    how i will know that i have to test for a particular gas and not the other ones.......plxxx helpp
  12. H

    qualitative analysis help...

    lead chloride will precipitate out
  13. H

    Biology Practical notes!!

    princess...cn u help me out with o/n paper 34 2010 practical questiion 1..cnt understand wat shud be observations
  14. H

    Biology Practical notes!!

    MAKING TABLES iNDEPENDENT Variable in the first column....and observations or dependent variables in other columns..... in question 1 of exam..two kinds of questions cn be set....one involving quantitative observations like most enzyme experiments and other involving qualitative observations...
  15. H

    MOMENTUM

    k sure...bt help me out with practicals....
  16. H

    M1 math

    200 kg means normal will be 2000 N....SO FRICTION WILL CHANGE...IT WILL BE 2000 MULTIPY .4.....
  17. H

    M1 math

    it is mentioned that they are accelerating in the forward direction....and no sliding takes place b/w upper and lower box..... wat i told u is that take upper masss in isolation.....begin by labelling forces acting....there is a normal reaction equal to its weght and friction......if both boxes...
  18. H

    bio practical....

    paper 34 oct/nov 2010....help me i cnt even understand the question 1 fully...about wat shud be my observations
  19. H

    qualitative analysis help...

    and for distinguishing Al FROM Pb we shoud use....sodium chloride ryt....
  20. H

    M1 math

    check may june 2010 paper 43 also
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