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  1. MHHaider707

    Chemo P5 tips

    Hey Zeebujha in this y did u take 12.5g of the crystals?? Should it not be 6.25? Coz i did it like this... Conc = 0.5 mol dm^ -3 and vol = 250 cm^ 3 so the moles required = (250 x 0.5) / 1000 = 0.125 so mass of crystals to b dissolved in 50 cm^3 = moles x Mr...
  2. MHHaider707

    Mathematics: Post your doubts here!

    Hey how did u do that?
  3. MHHaider707

    Mathematics: Post your doubts here!

    Anyone tell me how to do m/j 11 p33 Q7 (iii)!! Anyone tell me please!!
  4. MHHaider707

    Physics MCQs thread.

    @mysterygirl : wat abt that Q. 34??
  5. MHHaider707

    Physics MCQs thread.

    Anyone please help me in Q.31 n 34 of O/N 10 12 http://www.xtremepapers.me/CIE/Internat ... _qp_12.pdf
  6. MHHaider707

    Physics MCQs thread.

    Can anyone please tell me how to solve Q.27!! http://www.xtremepapers.me/CIE/Internat ... _qp_11.pdf
  7. MHHaider707

    Physics MCQs thread.

    Its B.... coz frequency is halved so intensity also decrease by factor of 4 amplitude doubles and intensity should increase by factor of 4.....this decrease and increase cancels out and I remains same!!
  8. MHHaider707

    Biology MCQ thread..!!

    and yeah ribosomes are present in mitochondrion!!!
  9. MHHaider707

    Biology MCQ thread..!!

    Is it A?????
  10. MHHaider707

    Biology MCQ thread..!!

    It has some characteristics of living things and some of non-living things like it doesn't respire but it can reproduce!!!
  11. MHHaider707

    Physics MCQs thread.

    Is it A???
  12. MHHaider707

    Biology MCQ thread..!!

    Its D coz the causative agent of AIDS is a virus so only genes are in common!!
  13. MHHaider707

    Biology MCQ thread..!!

    Thanx histephenson007!!!! :) :) :)
  14. MHHaider707

    Biology MCQ thread..!!

    Yeah the answer C is rite coz malaria cannot pass directly from mother to child!!!! It says least likely!!! HIV is most likely!!
  15. MHHaider707

    Biology MCQ thread..!!

    But i din get it!!
  16. MHHaider707

    Biology MCQ thread..!!

    Is it B???...coz in the presence of non-competitive inhibitor, the rate of reaction levels earlier!!
  17. MHHaider707

    Biology MCQ thread..!!

    But em confused about that Q.27 of O/N 05 coz in Q it says that 'in which combination of conditions the stomata are most likely to close' so according to that wind speed should be low and atm. humidity should be high........right???
  18. MHHaider707

    Physics MCQs thread.

    Hey yubakkk......is the answer C??
  19. MHHaider707

    Biology MCQ thread..!!

    Does lysosome contain nucleic acid??
  20. MHHaider707

    Biology MCQ thread..!!

    Hey can anyone please help me in O/N 04 P1 Q.38 Here's the link: http://www.xtremepapers.me/CIE/Internat ... 4_qp_1.pdf And in O/N 05 Q.27 http://www.xtremepapers.me/CIE/Internat ... 5_qp_1.pdf
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