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  1. H

    physxx mcq.

    i dint understand why it shud Be nearer to Y
  2. H

    physxx mcq.

  3. H

    prctcal guess!!!

    chemistry Kc experiment i think.......finding Kc.....can anyone who has performed this tell me how to do it
  4. H

    physxx mcq.

    well......is the way i will use below correct or not........ since I is same throughout so ratio of resistance is equal to ratio of P.D across the particular resistors.... for an output 3V this means p.d across R1 is 2 V.check option C...R1/(R2+R3)=P.D Across R1 tht is 2 divided by P.D across R2...
  5. H

    physxx mcq.

  6. H

    need help on CHEM mCqS

    but y not C....ms also says C
  7. H

    ::::::Biolody help--Gaseous exchange::::::::

    lung cancer symptoms : blood in sputum persistent coughing pain in chest voice becomes horse shortness of breath loss of appetite COPD symptoms: severe breathlessness at times the characteristic smoker's cough
  8. H

    need help on CHEM mCqS

  9. H

    need help on CHEM mCqS

    in 11 cis-retinal wat abt the cyclohexene ring...?
  10. H

    need help on CHEM mCqS

    http://commons.wikimedia.org/wiki/File: ... uselang=et
  11. H

    URGENT HELP REQUIRED FOR PHYSICS AS LEVEL PAPER 2 please!!!

    Re: URGENT HELP REQUIRED FOR PHYSICS AS LEVEL PAPER 2 please
  12. H

    URGENT HELP REQUIRED FOR PHYSICS AS LEVEL PAPER 2 please!!!

    Re: URGENT HELP REQUIRED FOR PHYSICS AS LEVEL PAPER 2 please
  13. H

    ******Biology Doubts!!!!****

    \Vhile blood pressure tends to drive fluid out of the capillaries, the presence of blood proteins tends to pull fluid back into the capillaries. Many blood proteins (and all blood cells) are too large to pass readily through the endothelium, and they remain in the capillaries. The proteins...
  14. H

    Diffraction grating formula dsinθ = nλ ..confused

    we are using angle 90 to find the maximum no. of n or orders
  15. H

    bio mcq....?

    7 What is the theoretical number of chemically different dipeptides that may be assembled from 12 different types of amino acids? A 24 B 72 C 144 D 400
  16. H

    bio mcq....?

    35 For which disease is vaccination the most successful method of prevention? A cholera B HIV / AIDS C TB D malaria
  17. H

    biology multiple choice questions

    hmm...there is one explanation....though sorry to give wrong info at first......oxygen is absorbed during each breath and total lung volume has nothing to do with this.......amount of oxygen absorbed will be greatest in the person with the highest ventilation rate
  18. H

    bio mcq....?

    34 Which disease is least likely to be passed directly from parent to child? A cholera B HIV/AIDS C malaria D sickle cell anaemia
  19. H

    help needed!! 9702_w10_qp 11

    u cn remember by this example.....e.g if two objects are moving towards each other with v m/s this means that they ll strike each other very quickly and so relative speed of approach is found by adding two velocities however if they are moving away with different velocities relative speed of...
  20. H

    biology multiple choice questions

    q30...its C AMoUNT OF O2 absorbed depends on the total lung volume and Ventilation rate which is just the product of breathing rate and tidal volume.....so C fulfills both requirements
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