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  1. Mstudent

    A level Biology: Post your doubts here!

    Thank You very much Metallic9896, I will do it by Allah's will, I off to the examination hall, bye!
  2. Mstudent

    A level Biology: Post your doubts here!

    Could you guys tell me how you manage to get time to check your papers before submitting them?
  3. Mstudent

    A level Biology: Post your doubts here!

    I mean you guys have a different Variant so, I have no way of cheating! Anyway guys , pray for me, I've got it 6 hours later at 3:00pm !
  4. Mstudent

    A level Biology: Post your doubts here!

    Wait! You guys already did the test? How was it?
  5. Mstudent

    A level Biology: Post your doubts here!

    You're welcome, anytime ;)
  6. Mstudent

    A level Biology: Post your doubts here!

    For the first question, first you have two DNA strands made of N15 Then you replicated them with N14 to make two MOLECULES , each with a new N14 strand and an old N15 strand then you replicated one of them again with N14, so you will have, TWO MOLECULES, one with TWO N14 strands, the old one...
  7. Mstudent

    A level Biology: Post your doubts here!

    Oh, ok, now I get it, thank you very much! :)
  8. Mstudent

    A level Biology: Post your doubts here!

    So in that case B is correct? So why in the marking scheme did they chose seperation of centrioles not the formation of chromosomes (Condensation of chromosomes)?
  9. Mstudent

    A level Biology: Post your doubts here!

    Could anyone help me out here? B looks correct, and D looks correct, So why is D the answer? And not B?
  10. Mstudent

    Chemistry: Post your doubts here!

    Yo are very welcome, anytime :)
  11. Mstudent

    Chemistry: Post your doubts here!

    Thanks bro!
  12. Mstudent

    Chemistry: Post your doubts here!

    what's the answer?
  13. Mstudent

    Chemistry: Post your doubts here!

    Go to the data booklet, there you'll find 4. Standard Electrode potential ................................, there you'll find the equation for oxidation of Sn2+ to Sn4+ and reduction of KMNO4, just balance them so that the mole ratio of electrons is the same on both sides and then add the two...
  14. Mstudent

    Chemistry: Post your doubts here!

    Thank you very much Amina! Jazak Allah Khair!
  15. Mstudent

    Chemistry: Post your doubts here!

    Could you plz send it to me??? Your help will be greatly appreciated! 36. is A ONLY NaBr and NaI are oxidised when reacted with dil H2SO4, NaCL is too strong to be oxidised 37 is B I suppose? Find 'n' from PV=NRT to find the gas with the least moles! hope that helps :)
  16. Mstudent

    Chemistry: Post your doubts here!

    listen 1. If you look at the top of this page, there is a notice telling you not to disscuss about the paper 24 HOUR after the exam, IF you do you will be BANNED 2.You have to consider everyone's effort here man, everyone of us is working hard, Just work hard, and good luck, cheating is a sin BTW!
  17. Mstudent

    Chemistry: Post your doubts here!

    could you plz explain why you left out the fifth carbon?
  18. Mstudent

    Chemistry: Post your doubts here!

    29 should be A. count the number of peaks before the =O, the peaks represent the number of carbon atoms
  19. Mstudent

    Chemistry: Post your doubts here!

    OH ok, thank you very much! :)
  20. Mstudent

    Chemistry: Post your doubts here!

    Could you plz translate it in english so that I can understand (I don't understand urdu very well even tho Im Bangladeshi!) :)
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