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  1. ahmed abdulla

    Chemistry and Physics AS paper 12 MCQS

    Thanks < well, whats the linkage between the graph and intermediate ,,,? how did u now that the graph code for an intermediate rn :eek:
  2. ahmed abdulla

    AS Biology P1 MCQs Preparation Thread

    18 Which statement describes a cell that is capable of reproduction and belonging to a haploid organism? A It has chromosomes that contain one polynucleotide chain. B It is capable of carrying out a reduction division to form gametes. C It possesses two copies of each gene as a result of...
  3. ahmed abdulla

    Chemistry and Physics AS paper 12 MCQS

    what if they asked no. of minima ? + for the strain energy question u get 0.10 not 0.11 ?? my doubts if possible and u can answer ;) no . 29 >>>http://papers.xtremepapers.com/CIE/...and AS Level/Physics (9702)/9702_w07_qp_1.pdf no . 17 also > :) http://papers.xtremepapers.com/CIE/Cambridge...
  4. ahmed abdulla

    Chemistry: Post your doubts here!

    thanks ... if u look at ur textbook u will find that even 2 will form intermediate ie. SN2 ... so thats probably NOT the reason
  5. ahmed abdulla

    Chemistry and Physics AS paper 12 MCQS

    when you get recovered help with this too plz :D
  6. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    its no . 29 >>>http://papers.xtremepapers.com/CIE/...and AS Level/Physics (9702)/9702_w07_qp_1.pdf btw help me with no . 17 also > :) http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Physics (9702)/9702_w06_qp_1.pdf thanks
  7. ahmed abdulla

    Chemistry: Post your doubts here!

    can u help with this :)
  8. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    Q .. if ratio of power of x / power of y is 2 ... what will be the ratio of resistance of x /resistance of y ... ans is 4 .. but i couldnt get the hint using p=I^2R
  9. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    no datas given . how to find r ? > :sneaky:
  10. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    he is the superman of the xtremepaper :ROFLMAO:
  11. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    no. 33 & 34 http://papers.xtremepapers.com/CIE/...and AS Level/Physics (9702)/9702_w05_qp_1.pdf no. 17 http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Physics%20(9702)/9702_w06_qp_1.pdf :) help plz
  12. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    its no. 33 http://papers.xtremepapers.com/CIE/...and AS Level/Physics (9702)/9702_w05_qp_1.pdf btw tell me about 34 too :rolleyes:
  13. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

    thanks ... one question... When the strain in the specimen is increased, what happens to the resistance of the wire? as the ansers .. > It increases, because the length increases and the cross-sectional area decreases. ...but how ..? strain is inversly proportional to length
  14. ahmed abdulla

    AS Physics P1 MCQs Preparation Thread.

  15. ahmed abdulla

    Physics: Post your doubts here!

  16. ahmed abdulla

    Chemistry: Post your doubts here!

    but y :)
  17. ahmed abdulla

    P1 MCQ's preparation thread for chemistry ONLY!!!!

    Which pair of reagents will take part in a redox reaction? A CH3CH2OH + concentrated H2SO4 B CH3CHO + Tollens’ reagent C CH3CO2C2H5 + dilute H2SO4 D CH3COCH3 + Fehling’s solution
  18. ahmed abdulla

    Chemistry: Post your doubts here!

    Which pair of reagents will take part in a redox reaction? A CH3CH2OH + concentrated H2SO4 B CH3CHO + Tollens’ reagent C CH3CO2C2H5 + dilute H2SO4 D CH3COCH3 + Fehling’s solution
  19. ahmed abdulla

    Chemistry: Post your doubts here!

    (CH3)2CO + H2NNHC6H3(NO2)2 → (CH3)2C=NNHC6H3(NO2)2 + H2O what is this rn ...? ...? it says that it require room temp among some list given .. . but y not this >CH3CH2OH + KBr ¨ CH3CH2Br + KOH
  20. ahmed abdulla

    Chemistry: Post your doubts here!

    still confused between C & D:D
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