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  1. U

    Chemistry Practical 34 GT

    As far as i remember, they had mentioned "Both FB5 and FB1 are from the same limestone", or something similar, right before asking which method is less accurate. How can % purities be so different? Many here got values like 0.5% - 1%. BTW, did u ensure that the flame was blue? CaCO3 has a very...
  2. U

    Chemistry Practical 34 GT

    I dont remember mass. titre was 24.30 I guess.
  3. U

    Chemistry Practical 34 GT

    Titres will vary bcoz we used diff amounts of acid, and diff masses of CaCO3. So it's not of much use. Rather tell me % purity for Q2.
  4. U

    Chemistry Practical 34 GT

    What did u get? Sth very low?
  5. U

    Chemistry Practical 34 GT

    And what was your mass loss?
  6. U

    Chemistry: Post your doubts here!

    Can someone tell me a good way to draw up the table in question 2: http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20%289701%29/9701_w08_qp_31.pdf ? Thanx in advance! :)
  7. U

    Mechanics 1 P42 2014; Discussion!

    Well, i wouldn't be surprised if u had more :P I mean, it SHOULD be correct. :) Good going, anyways.
  8. U

    Mechanics 1 P42 2014; Discussion!

    Ok guys, lets wait till august. Then we'll find out who's wrong and who's right :)
  9. U

    Mechanics 1 P42 2014; Discussion!

    That explanation doesn't seem to apply in this case. I honestly think the answer is 71.3. That's what most students in my centre got.
  10. U

    Mechanics 1 P42 2014; Discussion!

    For question 4, if u haven't noticed guys, it was written "t is the time in seconds from start of motion", so limits will be 8 to 27.
  11. U

    Results: CIE May/June 2013 Examination Series

    hmm, knew about this, but i don't have my school's password :(
  12. U

    Results: CIE May/June 2013 Examination Series

    where r u guys getting results from so quickly? school? Or any website?
  13. U

    Maths, Addmaths and Statistics: Post your doubts here!

    What is ' detovatove function'?
  14. U

    Maths, Addmaths and Statistics: Post your doubts here!

    Better write 009.1 degrees. 3-digits and 1 d.p.
  15. U

    Maths, Addmaths and Statistics: Post your doubts here!

    and did u get 2 values each for the trig equations?
  16. U

    Maths, Addmaths and Statistics: Post your doubts here!

    phew. got them right
  17. U

    Maths, Addmaths and Statistics: Post your doubts here!

    What were the permutation answers? Anyone remember them?
  18. U

    Maths, Addmaths and Statistics: Post your doubts here!

    Yeah, P was (0,pi/8-5), i.e, (0,(pi-40)/5)
  19. U

    Addmaths paper 1

    M-method marks, for use of a right method. A-accuracy mark, for getting the correct answer. Tell me if i am wrong.
  20. U

    Heron's formula

    a always go anticlockwise. then area will ALWAYS be positive.
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