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Search results

  1. H

    bio questionxxx

    why is their inflammation of bronchial lining
  2. H

    bio questionxxx

    WELL THANKS U reminded me of a powerful tool to answer questions....making links....well cn u tell me abt COMBINATION therapy for tuberculosis
  3. H

    bio practical.....

    http://www.xtremepapers.me/CIE/Internat ... _qp_31.pdf i just wanted to know whether my observation in this experiment will be color with iodine after five min
  4. H

    P1 maths help...

    o/n 2007 p1 q.11 (v)...there are some other questons like this also..i want to ask y we take the - sign here when we took sqrt
  5. H

    bio questionxxx

    libra94...hamid ali....anyone help me out
  6. H

    bio questionxxx

    Describe how tar, deposited in the lungs from cigarette smoke, can lead to emphysema? (4) i know that phagocytes come out of capillary to linnig of respiratory tract by releasing enzyme elastase...but what does it has to do with tar....do not they come because of bacteria that are breeding on...
  7. H

    bio questionxxx

    what is meant by DEGENERATE code...? any one explain me this
  8. H

    bio questionxxx

    well i can only think of dissolving point by forming hydrogen bods to polar or charged molecules......but this is for 4 marks....what other points i shud be writing
  9. H

    bio questionxxx

  10. H

    bio questionxxx

    well..in first question...i thought like this... latency stage means the period during which the virus or bacterium just stays in body and remains dormant i.e doesn't cause symptoms of disease and also does not cause production of antibodies in case of AIDS....SO symptomless carriers will be...
  11. H

    bio questionxxx

    whats the link of long latency stage of TB and HIV with the difficulty in controlling these diseases? sloths feed on leaves...they contain bacteria in their stomach that can digest cellulose...suggest advantage of this to sloth why the programme to eradicate smallpox was successful
  12. H

    tough titration question.....

    that was good!
  13. H

    tough titration question.....

    http://www.xtremepapers.me/CIE/Internat ... _qp_31.pdf ....check it out....its mighty long.....by the way anyone cud help me out in part C
  14. H

    2010 nov ERs

    when will they come planetmaster.......??? just 13 days left in exams!!!
  15. H

    Chemistry As/A level...!!! expected ppr May/June

    titration involving hydrated salt
  16. H

    chemistry problem

    yeah.....diwash is ryt..just an inorganic reaction u must have memorised....
  17. H

    Biology Practical notes!!

    well i ll chek it again and then tell u
  18. H

    testing for chloride.....

    when i was performing test for Pb 2+ ....a milky solution formed in excess of sodium hydroxide......is it correct or shud it be clorless since it dissolves on adding NaOH
  19. H

    testing for chloride.....

    oh.....my brain was really malfunctioning....anyways thanxxx
  20. H

    testing for chloride.....

    Candidates should be aware that hydrochloric acid should not be used in conjunction with silver nitrate when testing for a chloride. Nitric acid is the only acid that can be used successfully with lead nitrate to test for chloride CN somebody expalin me why is this.......that was taken from ER
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