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  1. H

    Chemistry 42....how did it go?..expected GT

    how cud one guess this from the info??? well i bleive VDW is absolutelly false....and H bonds seems to me the msot appropriate anser.....bt wats its justification.......assuming u dont knw anything else abt mucus except wats given in question.....i mean u dont knw that its a glycoprotien
  2. H

    Chemistry 42....how did it go?..expected GT

    well sticky mucus one was dipole-dipole ryt...??cnt be vdw for sure,,,,,bt cn be H bond
  3. H

    Chemistry 42....how did it go?..expected GT

    welll they only said contains same functional gropus as C!!!
  4. H

    Physics P5 in 5 minutes !!!

    wellll can some one tell me how the uniform magnetic field would be produced, measured and changed
  5. H

    Chemistry 42....how did it go?..expected GT

    no its wrong@Sannikutti cos we had to get he isomer d drawn out for ester and it was a cis trans isomer
  6. H

    it was good.....wat abt u....cudnt do the ester isomer....and some small 1 mark...

    it was good.....wat abt u....cudnt do the ester isomer....and some small 1 mark questions.......overall will loss 5-8 marks....rest was damn perfect
    • hassam
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  7. H

    t test and CHI-square test 0.05 significance level

    m hell cnfused in this thing.....i m a bio student not a frther maths one...... all i knw is that if probability of null hypothesis being correct is greater than 0.05 ....its accepted.......bt its not seeming to me intuitive.....i have read somehwere....it tells u 95% cnfidence...
  8. H

    A2 Biology | Post your doubts here

    well http://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_w08_qp_5.pdf q2 b (iv) cn smone tell why 20 is a closer valuee to 19 rather than 18.....wTH the ER means here........both are same distance from 19.......is it a...
  9. H

    A2 Biology | Post your doubts here

    well@user cn u amke a sticky thread for BIO PAPER 5 Mystery girl......why they are not allowing 3 dp for that question,,,,i gave two 3 s.f tand that was automatically to 3dp in dat case.....
  10. H

    A2 Biology | Post your doubts here

    well for b part 1 ....sum up all the number and divide by 20...dats simple mean calculation and next is also simple with n being 20....the next whenn.....no. of degrees of freedom is n-1 if only one set of data.....n1+n2-2...if two sets of data and so on....!!!
  11. H

    How many hours do you sleep daily during the exam time?

    me too same
  12. H

    biology paper 5 29TH MAY !!!

    welllhttp://www.xtremepapers.com/papers/CIE/Cambridge%20International%20A%20and%20AS%20Level/Biology%20(9700)/9700_s11_qp_52.pdf in question one,,,,,will we be doing this......placing plant tissue in to different sucrose solutions for same amonut of time....we ll have two test ubes filled of...
  13. H

    Chemistry 42....how did it go?..expected GT

    well sammy cud u do the ester question ISOMER D sammykhan123
  14. H

    biology paper 5 29TH MAY !!!

    Leaf discs can be used to determine the effect of a variable on the rate of photosynthesis. The discs can be cut from the leaves using a cork borer or a large plastic drinking straw. The discs are then placed in a syringe and the syringe slowly filled with water or very dilute sodium...
  15. H

    biology paper 5 29TH MAY !!!

    post link of any previous year useful thread if smone knws it
  16. H

    biology paper 5 29TH MAY !!!

    well this is the thread for biology paper 5 preparation.....post useful notes if anyone has got plxx......post tips and ur problems...
  17. H

    Chemistry 42....how did it go?..expected GT

    well conc of a how man y marks 2 or 3 ....cos i did an arithimetical error
  18. H

    Chemistry 42....how did it go?..expected GT

    dint get u....i m not asking for C bt for D DO U feel my structure is correct...keeping in mind that we havent seen a rxn where it reacts with acyl chloride @keetone
  19. H

    Chemistry 42....how did it go?..expected GT

    http://postimage.org/image/ad6s8c6nf/ was it crrect fr ester
  20. H

    CHEM 42 live DISCUSSION

    http://xat.com/chemistrypaper42dicussion
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