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  1. A

    Mathematics: Post your doubts here!

    A ball is thrown with speed 14 m/s at 35 degree above the horizontal . Draw diagrams to find the position and velocity of the ball 3 seconds later.
  2. A

    CIE May/June 2014 Papers with Marking scheme

    http://www.gceguide.com/search/label/IGCSE%20%3A%20English%20-%20Second%20Language%20%28oral%20endorsement%29%20%280510%29
  3. A

    CIE May/June 2014 Papers with Marking scheme

    http://www.gceguide.com/search/label/AS%20%26%20A%20Level%20%3A%20Biology%20%289700%29 http://www.gceguide.com/search/label/AS%20%26%20A%20Level%20%3A%20Chemistry%20%289701%
  4. A

    CIE May/June 2014 Papers with Marking scheme

    Code?
  5. A

    CIE May/June 2014 Papers with Marking scheme

    Your most welcome :)
  6. A

    CIE May/June 2014 Papers with Marking scheme

    http://www.gceguide.com/search/label/AS%20%26%20A%20Level%20%3A%20Accounting%20%289706%29
  7. A

    May/June 2014 CIE |Question Papers ||Marking Schemes||Grade Thresholds| |Examiner Reports|

    http://www.gceguide.com/2014/08/download-igcse-biology-0610-may-june.html
  8. A

    May/June 2014 CIE |Question Papers ||Marking Schemes||Grade Thresholds| |Examiner Reports|

    thanks :) , have you noticed any other mistakes?
  9. A

    MJ 2014 Papers

    i wrote answers to paper 12 chemistry As and it would appreciated if someone could check it out if it has an errors.
  10. A

    May/June 2014 CIE |Question Papers ||Marking Schemes||Grade Thresholds| |Examiner Reports|

    i wrote out answers to question paper 21 chemistry AS can anyone check if something is incorrect.
  11. A

    Chemistry: Post your doubts here!

    i answered question paper 21 June 2014 chemistry AS
  12. A

    Chemistry: Post your doubts here!

    Question Number?
  13. A

    Chemistry: Post your doubts here!

    Count the number of hydrogen and carbon present, make CH3CH2CHO, CH3COCH3 CH3CH2COOH, CH3COOCH3--> when ethanoic acid reacts with alcohol CH3CH=CH2, CH3COCH3 Ratio in aldehydes: 3C:6H Ratio in Ketone : 3C:6H Ratio in carboxylic acid : 3C:6H Ratio in ester: 3C:6H Ratio in Alkene: 3C:6H
  14. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s12_qp_12.pdf Q28
  15. A

    Chemistry: Post your doubts here!

    Reverse CO(g)+1/2O2-->CO2(g) Delta H=+283KJ/mol reverse H2o(g)-->H2O(l) Delta H=+44KJ/mol Leave H2(g)+1/2O2-->H2O(l) Delta H=-286KJ/mol Add up
  16. A

    Chemistry: Post your doubts here!

    number of moles of Tl+NO3-=10*0.30/1000 =3*10^-3 Number of moles of NH4+VO3-=20*0.10/1000 =2*10-3 Divide by the smalles figure, we would obtain the ratio of 1.5:1 *2 to get rid of a fraction so the mole ration will 3:2 so for every 3 moles of Tl+( six electrons are removed) only two moles are...
  17. A

    Chemistry: Post your doubts here!

    Thank you :D
  18. A

    Chemistry: Post your doubts here!

    How is B a cis trans
  19. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s13_qp_11.pdf Q20
  20. A

    Chemistry: Post your doubts here!

    http://papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_s13_qp_13.pdf Q28
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