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  1. I

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s09_qp_1.pdf. Q9 ans A , q15 ans A , q17 ans D ,q19 ans D , q20 ans C q 35 ans B Sorry they are a lot :D
  2. I

    Chemistry: Post your doubts here!

    Ya B is the answer thanks
  3. I

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w08_qp_1.pdf q39
  4. I

    Chemistry: Post your doubts here!

    Q28 ?
  5. I

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s08_qp_1.pdf q6. ,19 and 28 can someone please help me with them
  6. I

    Chemistry: Post your doubts here!

    Thanks , what about q37 in the same paper do u know how to solve it ?
  7. I

    Chemistry: Post your doubts here!

    But 1 mole of so3 2- gives 2 electrons so 2 moles will give 4 ?
  8. I

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w07_qp_1.pdf. Q 9 , 32 and 37 please
  9. I

    How did STATISTICS 1 go?

    If my total is about 97 do you think I can still manage an overall A
  10. I

    How did STATISTICS 1 go?

    Guys I found p12 very difficult and made silly mistakes in p62 I might get about 40 but know I am hearing from people that both papers were very easy and that the gt will be higher than expected what do you think I am worried
  11. I

    How did STATISTICS 1 go?

    I got the same midpoints and frequencies as you but I seem to get a different answer , that's what's confusing me I thought that my midpoints are wrong that's I am not getting the same mean and variance as everybody else
  12. I

    How did STATISTICS 1 go?

    The The method you stated was for the variance
  13. I

    How did STATISTICS 1 go?

    I was talking about the mean
  14. I

    How did STATISTICS 1 go?

    Shouldn't you multiply the midpoints by the frequencies and then divide by the total frequency
  15. I

    How did STATISTICS 1 go?

    Ho Which formula did you use for the mean and variance in q6iii
  16. I

    S1-Paper 62. Help please. ASAP.

    Th that was in q7 I am talking about the one were we had to find the mean and variance
  17. I

    S1-Paper 62. Help please. ASAP.

    Guys I got the mean as 13 in q6 is it wrong ?
  18. I

    How did STATISTICS 1 go?

    What was the mean and variance ?
  19. I

    Statistics S1 post your doubts here

    Are u talking about variant 2 ?
  20. I

    Statistics S1 post your doubts here

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Mathematics%20(9709)/9709_w11_qp_63.pdf. Q2 I anyone ?
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