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  1. raiyanfarrukh

    Chemsitry Paper 31!!!!

    I got sulphate because white ppt was insoluble in dilute acid!
  2. raiyanfarrukh

    Chemsitry Paper 31!!!!

    I got FA5 as Cu2+ and Cl- FA6 as OH- FA7 as Pb2+ FA8 as chromate ion Wb u all guys what u got
  3. raiyanfarrukh

    Chemsitry Paper 31!!!!

    I think u will get three marks for column headings plus units and i don't know rest of the marks how it is distributed
  4. raiyanfarrukh

    Chemsitry Paper 31!!!!

    max 3-4 marks what improvement u wrote for the second last part of the 1st question i wrote that due to late human reaction time there might be an error in the reading and take readings for each dilution more than once
  5. raiyanfarrukh

    Chemsitry Paper 31!!!!

    for minimum time i got 24 and my maximum time was 80-83 and in the second part of the question in which we had to increase the vol of fa3 i got around 150 wbu? what u got for minimum error and maximum rate how do u calculate it!!
  6. raiyanfarrukh

    Chemsitry Paper 31!!!!

    don't worry Allah sab ki sunta hai Inshallah everyone will pass chem with good grades
  7. raiyanfarrukh

    Chemsitry Paper 31!!!!

    i am expecting very low about 20/40 or maybe i can get more than that!!!! Wbu?
  8. raiyanfarrukh

    Chemsitry Paper 31!!!!

    How was ur paper 1? i did really bad in that
  9. raiyanfarrukh

    Chemsitry Paper 31!!!!

    Ajeeb tha lekin agar tum thora sa dheyan se parhtey to us mein likha wa tha u can use other reagents to identify the ions from that i got it
  10. raiyanfarrukh

    Chemsitry Paper 31!!!!

    we can do it over here!!!!!!
  11. raiyanfarrukh

    Chemsitry Paper 31!!!!

    Alhamdulilah i did really well finished in time everything went well!! :) :) :) :)
  12. raiyanfarrukh

    Chem 11

    y yeahhhhh :P
  13. raiyanfarrukh

    Chem 11

    this was option b ryt?
  14. raiyanfarrukh

    Chem 11

    i just used that values not multiplying with the factor 3 and using the formula for formation=products-reactants
  15. raiyanfarrukh

    Chem 11

    the calculation one!!
  16. raiyanfarrukh

    Chem 11

    i am not talking about q3 for that ionisation energy it was positive i am talking about enthalpy change of formation in i guess q5 or 6
  17. raiyanfarrukh

    Chem 11

    yeah sorry i got 49 and now i realized my mistake the ryt answer is B
  18. raiyanfarrukh

    Chem 11

    i don't remember the volume what u got it was in 30's i guess
  19. raiyanfarrukh

    Chem 11

    even me but @someonecool said that questions were from the past paper and he found it easy i don't know!!
  20. raiyanfarrukh

    Chem 11

    can u plzz let me know from which year most of the questions were?i couldn't find them
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