• 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. H

    Chemistry: Post your doubts here!

    please,may i get helped in q# 35 for may june 2013 variant 13 , answer is C ?thanks
  2. H

    Chemistry: Post your doubts here!

    please,may i get helped in q# 29 and 35 for may june 2013 variant 13 , answers are D and C respectively?thanks
  3. H

    Chemistry: Post your doubts here!

    may i get helped in q# 29 and 35 for may june 2013 variant 13 , answers are D and C respectively?
  4. H

    Chemistry: Post your doubts here!

    Hi!, is it only for 2012 and 2013 or r u going to add for other years too?? thanks a lot :)
  5. H

    Chemistry: Post your doubts here!

    Alhamdullilah ,got over and done with an easy chem paper
  6. H

    CIE Chemistry notes!

    sorry but i cant see the link for chemistry notes!!!!:oops:
  7. H

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

    Thanks for the great help!
  8. H

    CIE Chemistry notes!

    Aoa, Sorry but where is the link for chemistry notes??? i couldn't find any!
  9. H

    who is there?

    who is there?
  10. H

    IB Question bank 3rd Edition

    i also want chemistry papers would you please send it on [email protected], thanks in advance
  11. H

    IB Question bank 3rd Edition

    i also want chemistry papers would you please send it on [email protected], thanks in advance
  12. H

    Chemistry: Post your doubts here!

    option D Reason: As every option starts with methane so lets check for it. CH4 + 2O2 ------2 H2O+ CO2 10cm3 of CH4 and 70 cm3 oxygen (given in the question) .According to the equation 1 mole of CO2 requires 2 moles of oxygen so it means if we have 10 cm3 of methane then 20 cm3 of oxygen would...
  13. H

    Chemistry: Post your doubts here!

    Density = mass/vol so mass = D x Vol which would give the mass of ice as 1g. change this mass into moles ,1/18=0.0555 moles. 1 mole of steam occupies the volume at 298K(25c) =24 dm3 0.555 moles of steam would occupy=24 x 0.0555=1.33 dm3 as there is a temperature rise given in the question to 596...
  14. H

    Chemistry: Post your doubts here!

    you are absolutely right in answering it and as far as the charge is concerned, when we put some thing in mass spectrometer, a gaseous (always) compound changes into an ion due to the knocking off the electron and this process is called ionisation but don't worry it is in A2 sylaabus:)
  15. H

    Chemistry: Post your doubts here!

    :) you would get 40 as answer and that would make calcium B option the best choice
  16. H

    Chemistry: Post your doubts here!

    group II metal nitrate is going to produce metal oxide and nitrogen dioxide gas,the ratio between metal nitrate and metal oxide would be 1:1 5/x+28+96 = (5-3.29)/x+16 equate it u will get the answer
  17. H

    Chemistry: Post your doubts here!

    please anybody can help me in Q#11 May /june 2011 component 12 with complete solution? any help would be highly appreciated.
  18. H

    omg

    I cannot download the files , i have checked all the links , anybody, please help as how to access them.
  19. H

    Chemistry: Post your doubts here!

    i also go with SOCl2 because then the product would be SO2 which is a gas along with chloroalkane
  20. H

    Chemistry: Post your doubts here!

    would you people please tell me as how to locate the post given with the abbreviation viewtopic.php?f=26&t=9156 Thanks
Top