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  1. H

    Post your Physics queries here ...

    could someone please explain http://papers.xtremepapers.com/CIE/Cambridge%20International%20O%20Level/Physics%20(5054)/5054_s09_qp_1.pdf Q30 to me?
  2. H

    Biology; Chemistry; Physics: Post your doubts here!

    so a large current should flow through the earth wire, blowing the fuse in the plug.
  3. H

    Biology; Chemistry; Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20O%20Level/Physics%20(5054)/5054_s09_qp_1.pdf why is Q30 B and not A?
  4. H

    Biology; Chemistry; Physics: Post your doubts here!

    yep, maybe 10 mins or so
  5. H

    Biology; Chemistry; Physics: Post your doubts here!

    ummmm, in eutrophication, plants die, bacteria rapidly divide to decompose them and use up oxygen, that is what takes up all the oxygen causing an oxygen deficiency.
  6. H

    Biology; Chemistry; Physics: Post your doubts here!

    papers.xtremepapers.com/CIE/Cambridge%20International%20O%20Level/Chemistry%20(5070)/5070_w08_qp_1.pdf does anybody know why the answer to Q39 is D and not C? It is the eutrophication question btw
  7. H

    Downloading papers?

    I can't seem to download O level papers ATM. Anybody else having this problem?
  8. H

    Biology; Chemistry; Physics: Post your doubts here!

    does anyone know why the pendulum is displaced by only a small angle when recording T?
  9. H

    Biology; Chemistry; Physics: Post your doubts here!

    please reply to my question, anyone, its on the previous page
  10. H

    Biology; Chemistry; Physics: Post your doubts here!

    wait wait. CaCO3 will decrease in mass-understood CO2 will increase in mass-understood HCl-moles will decrease, so won't the volume of HCl decrease too, causing the concentration to remain constant?
  11. H

    Biology; Chemistry; Physics: Post your doubts here!

    papers.xtremepapers.com/CIE/Cambridge%20International%20O%20Level/Chemistry%20(5070)/5070_w11_qp_41.pdf Q7, why is the answer D?
  12. H

    same here, cambridge sar pe aa gya hai...

    same here, cambridge sar pe aa gya hai...
  13. H

    thanks, you are great!

    thanks, you are great!
  14. H

    Bio ATP!

    thank u!
  15. H

    Maths, Addmaths and Statistics: Post your doubts here!

    3(i) the magnitude of a unit vector is always 1. 0.28^2+p^2=1 p=0.96 (ii) 12i+17j-qi+7j=k0.28i+k0.96j (12-q)i+24j=k0.28i+k0.96j k=25 12-q=25*0.28 q=-8 hoped this helped!
  16. H

    Bio ATP!

    plz i need notes desperately for Bio ATP. can someone plz post the link to good notes?
  17. H

    Plz do you have any Bio ATP notes as well? I saw your physics notes and they were good. thank you.

    Plz do you have any Bio ATP notes as well? I saw your physics notes and they were good. thank you.
  18. H

    Maths, Addmaths and Statistics: Post your doubts here!

    plz forgive my ineptness and stupidity. they are the same lol
  19. H

    Maths, Addmaths and Statistics: Post your doubts here!

    is this 'calculator version' mathematics included? because dont we take mathematics syllabus D?
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