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  1. Mobeen

    Chemistry Paper 1 Doubts!

    Q.2 10 cm3 CS2 reacts with 30cm3 O2 .. producing 10cm3 CO2 and 20 cm3 of SO2 . . (from the vol-vol ratio) so the total vol of gas after burning is 10cm3 CO2 + 20 cm3 SO2 + 30cm3 excess O2 = 50 cm3 when excess NaOH is reacted both CO2 and SO2 will react with it because they are acidic oxides...
  2. Mobeen

    Physics p22

    no . i knew it really well all the time but when i started to solve it i got all double minded and confused .. and i dont know why i didnt multiply it by 2 .. plus only 1 minute was left ..
  3. Mobeen

    Physics p22

    u call that silly . i didnt multiply the length of CP by 2 in the last part... hehe
  4. Mobeen

    IF anyone arrives late for paper at the centre..

    aww thats bad .. last week for the chem p2 i reached there by 9 am acording to my clock i was stuck in traffic and had to come all the way back to take another route .. but luckily there clocks were 5 minutes behind so he let me sit for the exam but wrote my canditate no. and centre no on a form...
  5. Mobeen

    Physics p22

    haha ..yes raindrop cannot possibly fall in a liquid .. :P
  6. Mobeen

    Physics p22

    so was it pi for the first one or second one ?
  7. Mobeen

    Physics p22

    :P i hope it is as low as it can be for me to get an A :D
  8. Mobeen

    Physics p22

    i wrote pi for the first one and zero for the second one .. so i guess i still messed up :D
  9. Mobeen

    Discussion of physics paper 22 A level

    and we need to find the diameter than find the cross sectional area . otherwise we cant find stress ..
  10. Mobeen

    Discussion of physics paper 22 A level

    the young modulus question is i think the first time an experiment of this type came .. and there was no mention for improvements or errors .. so i dont think the graph would be necesary ..
  11. Mobeen

    Physics p22

    and time should be equal to the time for other p2's ..
  12. Mobeen

    Physics p22

    i wasnt expecting that question too . ur talking about young modulus right ? it shouldnt hav come ..
  13. Mobeen

    How was your Phy p2 and p5? Mine was terrible.

    i think i only got the last question wrong .. only the waves ..
  14. Mobeen

    How was your Phy p2 and p5? Mine was terrible.

    phase diff !
  15. Mobeen

    Physics p22

    i wrote pi and 0 :(
  16. Mobeen

    Physics p22

    i also thought it was path diff and wrote lamda .. but then i looked at it again and saw it was phase diff actually ..so changed.
  17. Mobeen

    How was your Phy p2 and p5? Mine was terrible.

    i allso forgot the vol formula for sphere so couldnt find the mass..
  18. Mobeen

    Physics p22

    i think it askd for the deceleration from the "frictional force"
  19. Mobeen

    Discussion of physics paper 22 A level

    i also didnt use any graphical method . i guess that is okay too.. because there is nothing wrong in it .. and yes i also think the gt would be low
  20. Mobeen

    Physics p22

    and i think it also asked for the deceleration producued due to the frictional force .. so we would only use F=ma.
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