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  1. A

    AS Biology P1 MCQs Preparation Thread

    Does nucleus contain ribosomes or in the context u are mentioning?
  2. A

    AS Biology P1 MCQs Preparation Thread

    Its kind of hard to explain in a post form The time is between 1 and 2 and 3 and 4 as these are the times during which both remains close
  3. A

    AS Biology P1 MCQs Preparation Thread

    What dont u get in 2?cisternae is found in er and golgi while cristae in mitochondria mRNA is made in nucleus and the two orgenelle as they make their proteins..rough er has mRNA in the context that translation ocuurs overvthere
  4. A

    AS PHY PRACTICAL 33

    yes
  5. A

    chem p5 urgent doubt

    I think it can be, and by the way u should be doing chem p2 by now!!
  6. A

    chem p5 urgent doubt

    U may ask,
  7. A

    chemistry solved p5

    Revise the definition of enthaloy of solution, U will get the answer
  8. A

    Chemistry: Post your doubts here!

    Can u explain..i thought that excees of zinc will react so found tht one
  9. A

    Chemistry: Post your doubts here!

    actlyyes exactly!
  10. A

    Chemistry: Post your doubts here!

    The question says that NaOH should be in excess so the acid must be less than 0.06 mol. Make any arrangment but the volume of all acids must stay constant eg 25 cm3 and 2 moldm. Dibasic acids such as H2So4 dissociate two H ions so their cocentration should be further half than monobasic acids...
  11. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w09_qp_51.pdf AoA,in q2 cant i subtract excess zinc and mass of tube from the mass of tube to obtain the excess zinc i.e D-A?
  12. A

    chemistry solved p5

    Cant we just do it like,"stating different concentrations of persulfate to be used and the dilutions done by distill water and while the rest of quantities be kept constant as in the above experiment"
  13. A

    chem p5 urgent doubt

    I have not done it yet,but will see it InshaALLAH!! Remember me in ur prayers.
  14. A

    chem p5 urgent doubt

    and my transition temperature happens to be 67 C
  15. A

    chem p5 urgent doubt

    Cant 1 line be a curve,coz its passing perfectly through all the points?
  16. A

    chem p5 urgent doubt

    I got my answer incorrect too in the first attempt. This question was first of its type by that time but now its common!! Try it for yourself again,u will get the answer. The points are a lot messy and bear in your mind that lines will only intersect when extrapolated
  17. A

    AS and A Level Physics Coursebook [CD-ROM] (download)

    can u just plz give the links to phy and chemistry revision guides by hodder education
  18. A

    Some Different Notes & Website Are Available !!!

    Your work is really awesome...1000 of like...really helping♡♥\o/
  19. A

    A Level Chemistry REvision guide for download!!!

    Do u have it as a pdf or ebook or smething like that? if yes then plz send me a link
  20. A

    A Level Chemistry REvision guide for download!!!

    Hey i downloaded this pdf but it isnt opening...i do have a pdf file opener,its something wrong eith the file...plz smebkdy help me..
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