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  1. sadiaali

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w03_qp_1.pdf Please anyone explain me Q27. How is conc sulphuric acid react differently?
  2. sadiaali

    Physics: Post your doubts here!

    You are life saver! thanks:)
  3. sadiaali

    Physics: Post your doubts here!

    Please anyone solve for me.The image is blurred sorry for that. Thanks a lot in advance.
  4. sadiaali

    Practical | GUIDE BOOK(free Download) | POST YOUR DOUBTS HERE.

    Suchal Riaz Booklet is really awesome.(y)(y)
  5. sadiaali

    Practical | GUIDE BOOK(free Download) | POST YOUR DOUBTS HERE.

    Suchal Riaz please help
  6. sadiaali

    Practical | GUIDE BOOK(free Download) | POST YOUR DOUBTS HERE.

    The Q2 of As Physics practical often has this type of question (ii) Justify the number of significant figures that you have given for your values of k. Please can anyone explain me this question.
  7. sadiaali

    Physics: Post your doubts here!

    Are all quantities such as mass, time and length are to be measured in SI base unit in practical. For example mass in kg instead of g ?
  8. sadiaali

    Physics: Post your doubts here!

    Thank you:)
  9. sadiaali

    Physics: Post your doubts here!

    Please anyone help me out. Physics AS level practical question say Describe four sources of uncertainty or limitations of the procedure for this experiment. One of the answer for this is "Two readings are not enough (to draw a conclusion)" and it also say Do not credit: "Few readings Take more...
  10. sadiaali

    Chemistry: Post your doubts here!

    Please can anyone explain me the hydrolysis of amides. I cant understand a word in book:cry: Please help ZaqZainab AbbbbY Namehere Suchal Riaz
  11. sadiaali

    Chemistry: Post your doubts here!

    Please anyone help In question 3 of M/J 07 chemistry practical ( here is link http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s07_qp_32.pdf ). It state that "Because the solution are coloured you will need to remove traces of solution...
  12. sadiaali

    I follow anyone who help me,thanks for you for helping me :)

    I follow anyone who help me,thanks for you for helping me :)
    • sadiaali
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  13. sadiaali

    Chemistry: Post your doubts here!

    Please anyone do question Q 28 for me.Why cis-trans isomerism at the C=C double bond? http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s11_qp_13.pdf
  14. sadiaali

    Physics: Post your doubts here!

    Please someone explain me Q6 of part b with the diagram. Please help:cry: http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_s04_qp_2.pdf
  15. sadiaali

    Chemistry: Post your doubts here!

    Yes but how?
  16. sadiaali

    Chemistry: Post your doubts here!

    21 Including structural and stereoisomers, how many isomers are there of C2H2Br2? A 2 B 3 C 4 D 5 9701/13/O/N/13 Can anyone explain me
  17. sadiaali

    Physics: Post your doubts here!

    Please someone tell how to calculate the percentage uncertainty. Eg Measuring from vernier caliper, my reading is 3.52. How we will calculate the % uncertainty?
  18. sadiaali

    Physics: Post your doubts here!

    Please help Usama321 & ZaqZainab and others The electric power consumed by a device may be calculated by using either of the two expressions P=I2R or P=V2/R. The first expression indicates that it is directly proportional to R whereas the second expression indicates inverse proportionality. How...
  19. sadiaali

    Physics: Post your doubts here!

    No one helping me :cry::cry:.I m crying.
  20. sadiaali

    Physics: Post your doubts here!

    http://papers.xtremepapers.com/CIE/...nd AS Level/Physics (9702)/9702_s11_qp_23.pdf Can someone please sketch this 6(b) and c(iv) some one please.:(
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