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  1. H

    p34 chem details???

    has anybody got them
  2. H

    A star in phy chem bio

    if we get 125 marks out of 140..our A star will be ensure ryt...cos i think for A u need 110-115
  3. H

    polarisation....

    what is its proper definition and why sound waves cannot be polarised?....i know they are longitudinal but tell me why
  4. H

    practical electricity p 22

    some time there are question hazard will be ther if a thinner wire is uesd...e.g in o/n 07 q6 so its always written abt heating effect....with increasing resistance does current stays constant ova there...cos only then enhanced heating effect will be possible
  5. H

    physics 22.....uncetainity

    The uncertainty should be given to one significant figure and the value of ans to the corresponding number of decimal places. this is an excerpt from ER nov 2007......guyx is this authentic ...i mean hav u seen any other q where he gave uncertainity to more than 1 s.f.....if so post a link here...
  6. H

    good info...

    two waves of same frequency travelling in same direction...intereference two waves of slightly different frequencies travelling in same direction....BEATS two waves of same frequency travelling in opposite direction....stationary wave
  7. H

    physics query...o/n 2010

    http://www.xtremepapers.me/CIE/Internat ... _qp_23.pdf question no. 3 about c.r.o question no. 8 .......why we multiply by 2 to get total resistance......
  8. H

    role of decomposers in nitrogen cycle and carbon cycle..?

    are these bacteria at first place.....?
  9. H

    bio...oncogene....?

    wat an oncogene has to do with cancer??
  10. H

    physics practical 33

    Q2 was awesome...question 1 was normal....expecting GT to be 32....cos ppr was kind of easy....bt that q1 was really time consuming...well one query....i dint use l as 26 bt all values of l was 22....how much i ll get penalised.....and values of a was 4.47 s cm,b was -.427s.....well do they...
  11. H

    centre of gravity.errors...

    any11111
  12. H

    bio er o/n 2010

    plz somebady attach it....or pm me
  13. H

    reaction of ethanol with sodium uses!!!

    To dispose of small amounts of sodium safely To test for the -OH group in alcohols
  14. H

    infectious disease....

    explain me factors that govern distribution of malaria
  15. H

    bio...malaria.......lung cancer

    describe and explain how lung cancer develops
  16. H

    biology theory p 22.....tense situation.....

    guyx i have threee days non-stop eexams...xhem theory mechanics physics practical and then bio thoery.....just need advise how i shud revise bio solve last 4 years past pprs........or revising some keypoints i have noted on notebook......
  17. H

    bio p 22..........

    need tips onto writing ansers.......cos i see tonnes of marking scheme points on every question
  18. H

    chem pp33 discussion!!!

    24 hours are almost ova........so lets start discussing......we discussed titre.........wat about heating that white powder fa5........by the way i know that ........it was sodium bicarbonate...... The reaction sodium hydrogen carbonate has when heated is that carbon dioxide gas is released, as...
  19. H

    bio p22 theory AS

    GUYX POST SOME IMP QUESTIONS HERE ALONG WITH BRIEF ANSERS.......
  20. H

    paper 33 physics

    so moments for question 1 and oscillation for question 2........post the full apparatus and relevant questions in past pprs
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