• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Search results

  1. 1

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s12_qp_41.pdf 4(C) please someone help:(
  2. 1

    Chemistry Paper 4-theory- doubts =D

    thanks alot for your cooperation can u please write the wquation for the reaction which sre the not in the cie book but come in the past papers :)
  3. 1

    Chemistry: Post your doubts here!

    ok thanks alot for your cooperation
  4. 1

    Chemistry: Post your doubts here!

    ian not saying that br2 is wrong what iam asking is that is diazotizationn coupling correct or not?
  5. 1

    Chemistry: Post your doubts here!

    i asked it becuase its not written in maring shceme phenol this time and it was written in the previos year marking sheme now what to do?
  6. 1

    Chemistry: Post your doubts here!

    can u please check my above post and reply please and thanks for hwlping
  7. 1

    Chemistry: Post your doubts here!

    after adding nano2+hcl then phenol isnt it?? becuase see in this paper http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w08_qp_4.pdf 6(b) answer is with phenol and same reaction isnt it please someone help as soon as possible
  8. 1

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s09_qp_4.pdf in this number-6 part (C) cant we mention phenol and that it will give coloured solution with phenyl amine because it will form coupling?? isnt it? please help:(
  9. 1

    Chemistry and Physics some Keypoints/Notepoints (onDemandOnly) !! :)

    can u or anyone please help me at this problem http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w07_qp_4.pdf number-6(a)(iii) and (Iv) please help:(
  10. 1

    Chemistry and Physics some Keypoints/Notepoints (onDemandOnly) !! :)

    knowitall10 how many past papers have u solved for chemistry paper-4 till now i havent started
  11. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    so ur also confused about both the problems that i posted out? thanks alot for trying and for the link
  12. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    bro can u please help me solve thse 2 problems that i have posted please:(
  13. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    thanks bro but iam still confused like if electric field is 0 isnt potential 0 can you please elaborate
  14. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    bro help required at this as wel please http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w11_qp_41.pdf number-4 please can u help iam totally confused about this question thanks alot:) iam only able to a(i) part nothing other than this iam totally 0 about how to solve the...
  15. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w11_qp_41.pdf number-4 please can u help iam totally confused about this question thanks alot:) iam only able to a(i) part nothing other than this iam totally 0 about how to solve the rest of the parts of this question
  16. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    thanks alot bro for your cooperation this is whats written in the examiner report: Very few candidates were able to cope with the two charges and determine the potential change between the two points. A large number did not realise that the potential at each point was the sum of the potentials...
  17. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    another doubt is http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20%289702%29/9702_s10_qp_42.pdf number-4 in this queston iam confused like in the middle wouldnt the potential be 0 like when the electron would be at 6micro second so would the...
  18. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20%289702%29/9702_w11_qp_41.pdf number-4 please can u help iam totally confused about this question thanks alot:)
  19. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    Thanks alot brother for your explanation i have another doubt can u please clear out is that can u please draw the graphs in electroc field chapters of electric potential, potential energy, electric field strength for all of these in inifrom electric field as well as normal electric field please...
  20. 1

    ---> Physics Paper 4 Past Paper Discussion <---

    http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_w11_qp_43.pdf 1(c)(ii) what do we write for this? because what i think is that answer should be is he hydrogen molecules dont have enough kinetic energy to move in mars so they escape they dont have enough k.e becuase they...
Top