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Recent content by holoholo

  1. H

    Maths 62 (S1)? Discussion after 24 hours

    Expected number of days ?
  2. H

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s15_qp_52.pdf How do draw in question 1 b(i) ? Much appreciated for the answer
  3. H

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w14_qp_51.pdf Question 1 (a) complete explanation please
  4. H

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w11_qp_51.pdf Question 1 c. how can i decide on the amounts of water and potassium nitrate to use ? Can someone please answer as soon as possible ?
  5. H

    Chemistry: Post your doubts here!

    i didnt quite get the serial dilution
  6. H

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s12_qp_51.pdf How can you prepare the different concentrations ?
  7. H

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s12_qp_42.pdf question 5 c(iv). Why can't we add a side chains ? Doesn't this increase van der waals force and so it becomes more rigid ?
  8. H

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/... AS Level/Chemistry (9701)/9701_w10_qp_53.pdf Can someone please draw question 1 c ?
  9. H

    Physics: Post your doubts here!

    do we have to study the As part like waves etc for A2 ?
  10. H

    Physics: Post your doubts here!

    Paper 4 (A Level Structured Questions): The assessment of core and applications topics will be integrated. There will no longer be a section A and a section B. What do they mean by the first statement ?
  11. H

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w10_qp_53.pdf Can someone please draw question 1 c ?
  12. H

    Chemistry: Post your doubts here!

    can anyone please explain this ?
  13. H

    Physics: Post your doubts here!

    how did you get 0.09 ?
  14. H

    Physics: Post your doubts here!

    Part 2 please ?
  15. H

    Chemistry: Post your doubts here!

    You added a total of 10+8+6+4+2 which is 30 g but you only made 20 g ?
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